131,709
131,709 is a composite number, odd.
131,709 (one hundred thirty-one thousand seven hundred nine) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 43 × 1,021. Written other ways, in hexadecimal, 0x2027D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 907,131
- Recamán's sequence
- a(228,954) = 131,709
- Square (n²)
- 17,347,260,681
- Cube (n³)
- 2,284,790,357,033,829
- Divisor count
- 8
- σ(n) — sum of divisors
- 179,872
- φ(n) — Euler's totient
- 85,680
- Sum of prime factors
- 1,067
Primality
Prime factorization: 3 × 43 × 1021
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,709 = [362; (1, 11, 10, 7, 6, 3, 1, 1, 5, 1, 2, 4, 1, 1, 1, 8, 1, 1, 5, 3, 1, 1, 2, 1, …)]
Representations
- In words
- one hundred thirty-one thousand seven hundred nine
- Ordinal
- 131709th
- Binary
- 100000001001111101
- Octal
- 401175
- Hexadecimal
- 0x2027D
- Base64
- AgJ9
- One's complement
- 4,294,835,586 (32-bit)
- Scientific notation
- 1.31709 × 10⁵
- As a duration
- 131,709 s = 1 day, 12 hours, 35 minutes, 9 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαψθʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋥·𝋩
- Chinese
- 一十三萬一千七百零九
- Chinese (financial)
- 壹拾參萬壹仟柒佰零玖
Also seen as
UTF-8 encoding: F0 A0 89 BD (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.125.
- Address
- 0.2.2.125
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.125
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 131,709 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 131709 first appears in π at position 331,211 of the decimal expansion (the 331,211ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.