# BookRiff

If you don’t like to read, you haven’t found the right book

## What is the world record for most digits memorized of pi?

In 1989, Japan’s Hideaki Tomoyori recited 40,000 digits. The current Guinness World Record is held by Lu Chao of China, who, in 2005, recited 67,890 digits of pi.

How long did it take Lu Chao to memorize pi?

Earlier, the record was held by Lu Chao. He had recited post-decimal Pi values up to 67,890 digits in 24 hours and 7 minutes in 2005.

### How did Akira Haraguchi memorize pi?

Haraguchi’s mnemonic system 0 => can be substituted by o, ra, ri, ru, re, ro, wo, on or oh; 1 => can be substituted by a, i, u, e, hi, bi, pi, an, ah, hy, hyan, bya or byan; The same is done for each number from 2 through 9. His stories are what he used to memorize pi.

What is the first 100 digits of pi?

The first 100 digits of pi are 3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679.

#### What are the first 100 digits of pi?

What are the 1000 digits of pi?

3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 …

## Who is the man who memorised all the digits of Pi?

Akira Haraguchi, 69, is a legend among memory masters, having memorised more of pi’s digits than anyone else. Here he talks about why he does it and how he will be celebrating pi’s big day Akira Haraguchi in Kisarazu, near Tokyo, reciting digits of pi during his 2006 public performance when he reached 100,000 digits.

Who is the world record holder for Pi?

The world champion is Akira Haraguchi, who in 2006 recited 100,000 digits of pi from memory at a public event near Tokyo. It took him 16hrs 30mins.

### Who is the Master Pi Man in the world?

The world champion is Akira Haraguchi, who in 2006 recited 100,000 digits of pi from memory at a public event near Tokyo. It took him 16hrs 30mins. This feat makes him the master pi-man, even though the Guinness Book of records has not validated his record.

Who is the world champion at remembering Pi?

The world champion is Akira Haraguchi, who in 2006 recited 100,000 digits of pi from memory at a public event near Tokyo.