Number World Records  

Two-year-old Siddhu correctly solved the 2, 3, and 5 multiplication tables. He can also count from 1 to 1,000 and can add any two numbers between 1 to 100.

Jonathan A. counted 38 numbers in ternary in 30 seconds.

Nathan E. said “21” 154 times while riding a bicycle.

Samson Z. wrote the numbers 1, 2, and 3 in Chinese characters in 1.06 seconds.

Viktor O. wrote the numbers 1, 2, and 3 in Chinese characters in 0.99 second.

Praveen Spirals subtracted two 80-digit numbers in one minute, 15.80 seconds using only his memory.

RPV counted 181 numbers in one minute.

Viktor O. pressed all 10 numbers on a phone five times using his thumbs in 9.73 seconds.

Indrajith P. recited all main numbers between 1 and Googol. He is 5 years, 246 days old.

RPV counted from 1 to 5,000 in two hours, four minutes, 32.00 seconds.

Amal's brother, Athul Geo Joseph, recited numbers 1 to 10 in 0.59 second.

RPV recited the first 50 digits of pi in 6.48 seconds while doing a headstand.

Praveen Spirals subtracted two 70-digit numbers in 55.31 seconds using only his memory.

Amal A. added multiples of 7 up to 126 in 3.81 seconds with his eyes closed.

Amal A. recited numbers 1 to 100 in 18.79 seconds with his eyes closed.

Amal A. recited numbers 100 to 1 in 22.71 seconds with his eyes closed.