131,317
131,317 is a prime, odd.
131,317 (one hundred thirty-one thousand three hundred seventeen) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x200F5.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 63
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 713,131
- Recamán's sequence
- a(24,389) = 131,317
- Square (n²)
- 17,244,154,489
- Cube (n³)
- 2,264,450,635,032,013
- Divisor count
- 2
- σ(n) — sum of divisors
- 131,318
- φ(n) — Euler's totient
- 131,316
Primality
131,317 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,317 = [362; (2, 1, 1, 1, 7, 1, 2, 2, 1, 1, 8, 24, 1, 7, 241, 2, 5, 1, 1, 2, 4, 3, 1, 25, …)]
Representations
- In words
- one hundred thirty-one thousand three hundred seventeen
- Ordinal
- 131317th
- Binary
- 100000000011110101
- Octal
- 400365
- Hexadecimal
- 0x200F5
- Base64
- AgD1
- One's complement
- 4,294,835,978 (32-bit)
- Scientific notation
- 1.31317 × 10⁵
- As a duration
- 131,317 s = 1 day, 12 hours, 28 minutes, 37 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλατιζʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋥·𝋱
- Chinese
- 一十三萬一千三百一十七
- Chinese (financial)
- 壹拾參萬壹仟參佰壹拾柒
Also seen as
UTF-8 encoding: F0 A0 83 B5 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.0.245.
- Address
- 0.2.0.245
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.0.245
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 131,317 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 131317 first appears in π at position 290,244 of the decimal expansion (the 290,244ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
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.