Number World Records  

Drew M. pressed the keys zero to nine on his mobile phone 18 times in 30 seconds.

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

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

Mark Evans tossed eight pennies into a glass jar from 10 feet away in one minute.

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

Praveen Spirals subtracted two 80-digit numbers in one minute, 15.80 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.

Amal A. recited numbers 10 to 1 in 0.47 seconds with his eyes closed.

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

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

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

John Stanley clicked a tally counter 50 times in 5.20 seconds.

Emily Garber recited the first 150 decimals ofPi from memory in 18.34 seconds. Garber set the record at a World Record Appreciation Society event held at Littlefield in Brooklyn, New York. Dan Rollman and Corey Henderson were present as witnesses. [#WRAS21][]

Alex F. counted to 200 in increments of five in 16.90 seconds while doing a headstand.