TOKYO – A Japanese mental wellness counselor recited pi come 100,000 decimal locations from memory on Wednesday, setting what he insurance claims to be a brand-new world record.

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Akira Haraguchi, 60, needed more than 16 hrs to recite the number to 100,000 decimal places, break his personal best the 83,431 digits collection in 1995, his office stated Wednesday.

He do the attempt at a public room in Kisarazu, just east of Tokyo.


It is usually written the end to a preferably of 3 decimal places, as 3.141, in math textbooks.

But the number, which has actually fascinated researchers for centuries, has no theoretical border to the variety of decimal areas it have the right to be composed to. The is a continuous that shows up in the proofs of countless equations specifying the universe.


"What i am aiming at is not just memorizing figures, i am dazzling by seeking a story in pi," Haraguchi said.

The Guinness publication of Records at this time lists Hiroyuki Goto, also from Japan, together the official record holder because that reciting pi indigenous memory. He recited the proportion out to 42,195 decimal places in 1995.


Kate White, a spokeswoman for the London-based Guinness human being Records, said Haraguchi would need to make a record insurance claim on their web site and supply evidence, including video footage and also witness statements come be contained in the book.

"We would testimonial if the evidence supports the claim. If he"s done it come 100,000, he would certainly be looking at the next human being record," White said.

If he have the right to supply evidence of his 1995 claim, that would be listed as well, White said. If that never used in 1995, castle couldn"t include him in the book, White said.


Haraguchi, a psychiatric counselor and also business consultant in nearby Mobara city, took a rest of around 5 minutes every one to 2 hours, going come the rest room and also eating rice balls throughout the attempt, said Naoki Fujii, spokesman that Haraguchi"s office.

Fujii said all of Haraguchi"s activities during the attempt, consisting of his restroom breaks, to be videotaped for evidence that will later on be sent for confirmation by the Guinness book of Records.

Two local education officials joined 29 conference hall employee who functioned in rotation to screen Haraguchi.


Haraguchi, who started reciting pi at 9 a.m. Tuesday, got to his previous document of 83,431 digits Tuesday night, finishing precisely at 100,000 digits at 1:28 a.m. Wednesday, Fujii said.

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In 2002, University the Tokyo mathematicians, aided through a supercomputer, collection the human being record for figuring out pi come 1.24 trillion decimal places.


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