An Indian man with an incredible memory recently set a new world record by reciting 14,000 digits of Euler’s number in just 49 minutes.
Deepu V has always had an incredible memory when it came to numbers. He once set a national record by reciting 2,000 digits of the irrational number (无理数) pi faster than anyone else, and claims to have committed 500 telephone numbers to memory. But when he heard about a world record for memorizing the most decimal (小数的) places of Euler’s number, he saw an opportunity to have his name featured in the Guinness Book of Records. He spent four months preparing for this attempt and took under an hour to blow the previous record of 10,122 digits right out of the water.
Like pi, Euler’s number is an irrational number. It begins with 2.71828 and continues infinitely in a series of decimals that never repeat. To ensure that challengers don’t cheat during their attempts at breaking this unique Guinness Record, their ears are checked and they are blindfolded before they begin reciting digits. But Deepu was so confident in his method of memorization that he was unfazed by the strict rules of the record attempt.
“In a table, there are 10 columns and 20 rows. I added five digits in each column, thus in a column of one full row, there are 50 numbers. And with 20 rows on a page, there will be a total of 1,000 digits. Likewise, in 14 pages I was able to include 14,000 digits,” the 33-year-old man told Guinness Records.
Deepu V spent four months preparing for his challenge. He memorized 250 digits per day from Monday to Thursday, using the remaining three days of the week consolidating all this new information in his memory. To ensure he was ready, he sometimes recorded himself reciting Euler’s number decimals to catch any mistakes he made.
All the hard work paid off, as in the end, Deepu V made short work of the previous Guinness Record of 10,122 recited Euler’s number decimals, reciting no less than 14,000 decimals in 49 minutes.
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