2 147 483 647 is a natural number between 2 147 483 646 and 2 147 483 648.
| 2 147 483 647 | |
|---|---|
| two billion one hundred forty-seven million four hundred eighty three thousand six hundred and forty-seven | |
| ← 2 147 483 645 · 2 147 483 646 · 2 147 483 647 · 2 147 483 648 · 2 147 483 649 → | |
| Factorization | simple |
| Roman notation | absent |
| Binary | 111111111111111111111111111111111 |
| Octal | 17777777777 |
| Hexadecimal | 7FFFFFFF |
In Math
- Mersenne prime [1] In 1772, Leonard Euler published evidence that the number is a prime number. This was the largest known prime number at that time . The record was surpassed only in 1867 when Fortune Landry ( Fr. Fortuné Landry ) proved the simplicity of the number 3 203 431 780 337 [2] . It is also the third double Mersenne number and the third of four known primes. The previous one is 127 , the next one is 170141183460469231731687303715884105727 .
In Computer Science
- This is the largest number that holds a 32-bit signed integ32 signed int32 data type . Related to this is the problem of 2038 [3] .
- This number is also related to the problem of 2038 , when the standard data type for storing time_t time will overflow on 32-bit computers.
Notes
- ↑ Sequence A000668 in OEIS (English)
- ↑ The Largest Known Prime by Year: A Brief History
- ↑ BBC: "The number glitch that can lead to catastrophe" // BBC, 5 May 2015 (eng.)