513,131
513,131 is a prime, odd.
513,131 (five hundred thirteen thousand one hundred thirty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x7D46B.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 45
- Digital root
- 5
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 131,315
- Square (n²)
- 263,303,423,161
- Cube (n³)
- 135,109,148,830,027,091
- Divisor count
- 2
- σ(n) — sum of divisors
- 513,132
- φ(n) — Euler's totient
- 513,130
Primality
513,131 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√513,131 = [716; (3, 64, 1, 3, 1, 2, 2, 11, 2, 2, 2, 9, 2, 6, 1, 1, 17, 1, 1, 2, 45, 1, 4, 2, …)]
Representations
- In words
- five hundred thirteen thousand one hundred thirty-one
- Ordinal
- 513131st
- Binary
- 1111101010001101011
- Octal
- 1752153
- Hexadecimal
- 0x7D46B
- Base64
- B9Rr
- One's complement
- 4,294,454,164 (32-bit)
- Scientific notation
- 5.13131 × 10⁵
- As a duration
- 513,131 s = 5 days, 22 hours, 32 minutes, 11 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵φιγρλαʹ
- Chinese
- 五十一萬三千一百三十一
- Chinese (financial)
- 伍拾壹萬參仟壹佰參拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.7.212.107.
- Address
- 0.7.212.107
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.212.107
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 513,131 and was likely granted around 1893.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.