Number World Records
Number Challenges
13 Records
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Most Images of '9' Spray Painted On A Rock
Ty Conner and Thomas Gilmartin spray painted the number 9 157 times on a rock. They painted on The Rock, a legendary rock on the University of Tennessee[] campus.
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Fastest Time To Complete 100 Clicks On A Tally Counter
Radson Muradpejohi clicked a tally counter 100 times in 13.03 seconds.
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Fastest Time To Complete 50 Clicks On A Tally Counter
Pete Bush clicked a [tally counter][1] 50 times in 6.62 seconds. [1]: http://en.wikipedia.org/wiki/Tallycounter
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Fastest Time To Recite First 150 Decimals Of Pi
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][]
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Highest Number Counted To In Binary In 30 Seconds
Daniel Sidelsky counted 24 numbers inbinaryin 30 seconds.
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Fastest Time To Count To 1,000
Simon Kirk counted to 1,000 in 10 minutes, 36.21 seconds.
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Highest Number Counted To In Ternary (Base 3) In 30 Seconds
Daniel Sidelsky counted 28 numbers in ternary in 30 seconds.
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Most Times Pressing The Zero To Nine Keys On A Mobile Phone In 30 Seconds
Juan Martinez pressed the keys zero to nine on his mobile phone 10 times in 30 seconds.
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Fastest Time To Count To 200 By Fives While Doing A Headstand
Daksh Choudhary counted to 200 in increments of five in 34.78 seconds while doing a headstand.
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Highest Number Reached While Counting Aloud
Jeremy Harper counted from 1 to 1,000,000 aloud. It took him 89 days to count up to one million. All footage was streamed live on the internet. The feat raised more than $10,000 for Push America.
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Amit Garg solved 10 mathematical problems by dividing a 10-digit number by a five-digit number in five minutes, 44.58 seconds.
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Most Numbers Written On A Ping Pong Ball
Brian Pankey wrote 151 numbers on a ping pong ball.
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Most 8's Written In 10 Seconds
Dylan King wrote the number 8 nineteen times in 10 seconds.
Ty Conner 
Radson Muradpejohi 
Pete Bush 
Emily Garber 
Daniel Sidelsky 
Simon Kirk 
Juan Martínez 
Daksh Choudhary 
Jeremy Harper 
Dr. Amit Garg 
Brian Pankey 
Dylan King