Number Theory Gifts

Searching for a unique gift for someone fascinated by numbers and math mysteries? Our number theory-themed items celebrate the beauty of mathematics with humor and style, perfect for mathematicians, students, or puzzle enthusiasts seeking to show off their love for numbers. From playful mugs to stylish t-shirts, find a gift that speaks to their inner mathematician and sparks conversation.

All Products Prints T-Shirts Mugs Pillows

'Hold on there, Mr. Webster. 1677 isn't prime - it's divisible by 43.'

'Hold on there, Mr. Webster. 1677 isn't prime - it's divisible by 43.' mockup

'Hold on there, Mr. Webster. 1677 isn't prime - it's divisible by 43.'

from $19.00

1.999999

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"Ya know, 'DUH' can be a very hurtful word."

"Ya know, 'DUH' can be a very hurtful word." mockup

"Ya know, 'DUH' can be a very hurtful word."

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'What I don't understand is how all three of us managed to get the figures wrong!'

'What I don't understand is how all three of us managed to get the figures wrong!' mockup

'What I don't understand is how all three of us managed to get the figures wrong!'

from $19.00

'Reading, writing and arithmetic are important, son. Someday you might sign autographs for money.'

'Reading, writing and arithmetic are important, son. Someday you might sign autographs for money.' mockup

'Reading, writing and arithmetic are important, son. Someday you might sign autographs for money.'

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'You may now turn over your paper and begin.' - 'Sir!' - 'Yes?' - 'What is it?' - 'I think Train 'A' and Train 'B' might be going to crash!'

'You may now turn over your paper and begin.' - 'Sir!' - 'Yes?' - 'What is it?' - 'I think Train 'A' and Train 'B' might be going to crash!' mockup

'You may now turn over your paper and begin.' - 'Sir!' - 'Yes?' - 'What is it?' - 'I think Train 'A' and Train 'B' might be going to crash!'

from $19.00

"Together ideas for couples" "Slap a sandwich together" "Put two and two together" "Pull themselves together" "Rub two sticks together" "Try to hold it together" "String a phrase together"

"Together ideas for couples" "Slap a sandwich together" "Put two and two together" "Pull themselves together" "Rub two sticks together" "Try to hold it together" "String a phrase together"

from $19.00

'C'mon get it straight.'

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"I've always dreamed of being on an academic team like this! It's great that we can all depend on each other!"

"I've always dreamed of being on an academic team like this! It's great that we can all depend on each other!" mockup

"I've always dreamed of being on an academic team like this! It's great that we can all depend on each other!"

from $19.00

"Finally, after years of work, irrefutable proof that I'm a nerd."

"Finally, after years of work, irrefutable proof that I'm a nerd." mockup

"Finally, after years of work, irrefutable proof that I'm a nerd."

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"E=MC² Energy=Milk·Coffee²"

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Typical Brain Versus Einstein's Brain mockup

Typical Brain Versus Einstein's Brain

from $19.00

'According to our statistics department, 78.93 of the statistics they produce are worthless.'

'According to our statistics department, 78.93 of the statistics they produce are worthless.' mockup

'According to our statistics department, 78.93 of the statistics they produce are worthless.'

from $19.00

Thinking Gears

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"She's done it! The formula for work-life balance!"

"She's done it! The formula for work-life balance!" mockup

"She's done it! The formula for work-life balance!"

from $19.00

Can't Do the Math/Won't Do the Math. mockup

Can't Do the Math/Won't Do the Math.

from $19.00

Smart Ass - Wise Ass

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"If a third grader knows the answer, how much of a problem can it really be?"

"If a third grader knows the answer, how much of a problem can it really be?" mockup

"If a third grader knows the answer, how much of a problem can it really be?"

from $19.00

Math Dreams

from $19.00

"Oh, stop it. You are not at all obtuse." Complimentary angles make the other angles feel good about themselves.

"Oh, stop it. You are not at all obtuse." Complimentary angles make the other angles feel good about themselves. mockup

"Oh, stop it. You are not at all obtuse." Complimentary angles make the other angles feel good about themselves.

from $19.00

"I didn't finish the proof but I did write this poem about my struggle."

"I didn't finish the proof but I did write this poem about my struggle." mockup

"I didn't finish the proof but I did write this poem about my struggle."

from $19.00

'So...you THINK you have what it takes to be a scientist...?'

'So...you THINK you have what it takes to be a scientist...?' mockup

'So...you THINK you have what it takes to be a scientist...?'

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"But everyone is befuddled by math." mockup

"But everyone is befuddled by math."

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"Yes Dad, I passed math and now I'm passing chemistry and physics."

"Yes Dad, I passed math and now I'm passing chemistry and physics." mockup

"Yes Dad, I passed math and now I'm passing chemistry and physics."

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'Actually, accounting is an exact science.'

'Actually, accounting is an exact science.' mockup

'Actually, accounting is an exact science.'

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'First you forget logarithms. Then you forget how to do long division. Then the multiplication table begins to go...'

'First you forget logarithms. Then you forget how to do long division. Then the multiplication table begins to go...' mockup

'First you forget logarithms. Then you forget how to do long division. Then the multiplication table begins to go...'

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'X is unknown? Even to somebody with all your education?'

'X is unknown? Even to somebody with all your education?' mockup

'X is unknown? Even to somebody with all your education?'

from $19.00

A=Pi r 2, 'All this stuff about 'pie are square' makes me HUNGRY!'

A=Pi r 2, 'All this stuff about 'pie are square' makes me HUNGRY!' mockup

A=Pi r 2, 'All this stuff about 'pie are square' makes me HUNGRY!'

from $19.00

'Remember, Edward, inside every 'F' student is a 'D' student trying to get out.'

'Remember, Edward, inside every 'F' student is a 'D' student trying to get out.' mockup

'Remember, Edward, inside every 'F' student is a 'D' student trying to get out.'

from $19.00

Number Theory Gifts Collection

Number Theory Mugs

Explore our full range of number theory-themed mugs—where clever math humor and practical design meet perfect for every math lover’s collection.

Number Theory Pillows

Find cozy pillows featuring playful number theory motifs—ideal for adding personality and intrigue to any room.

Number Theory Prints

Browse our selection of mathematical prints—artful tributes to number theory that brighten up any office, classroom, or home.

Number Theory T-Shirts

Discover our collection of number theory-inspired t-shirts—combining humor, style, and a love for math in wearable form.