Understanding Number-Color Synesthesia

The video explores Alex Dainis's number-color synesthesia, where she perceives numbers as colors. Brady Haran interviews Alex, addressing viewer questions and skepticism. Alex explains her experiences, including how numbers influence colors and vice versa, and discusses the personalities and genders some people attribute to numbers. The video concludes with an analysis of viewer-submitted data on number colors and a sponsor message.

What sparked the interest and comments from viewers in the video?

• A famous mathematician's interview

• A debate on the best color for numbers

• A new mathematical theorem

• Alex's unique way of seeing numbers as colors

How does Alex describe the relationship between numbers and colors in her synesthesia?

• Colors give her numbers

• Numbers give her colors

• Colors and numbers are unrelated

• Numbers change colors randomly

Can Alex determine the factors of a number just by its color?

• Yes, but only for prime numbers

• No, only if she knows the factors

• No, she cannot determine factors by color

• Yes, always

How does Alex perceive prime numbers?

• Based on their digits

• As a combination of colors

• As black and white

• As a single color

Do numbers have personalities or genders according to Alex?

• Neither personalities nor genders

• Only genders, not personalities

• Only personalities, not genders

• Yes, they have both

How does Alex perceive large numbers?

• By their individual digits

• As a mix of colors

• As black and white

• As a single color

How does Alex describe the color of the number 79?

• A single shade of blue

• A blend of black and white

• A mix of yellow and maroon

• A combination of red and green

What does Alex say about the impact of negative signs on number colors?

• They have no impact

• They make the color lighter

• They change the color completely

• They make the color darker

What is Alex's reaction to others disagreeing with her color associations?

• She agrees with them

• She finds it logical but disagrees

• She ignores their opinions

• She changes her perception

What is the most agreed-upon color for the number 27 among viewers?

• Green

• Red

• Yellow

• Blue