131,129
131,129 is a prime, odd.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 54
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 921,131
- Square (n²)
- 17,194,814,641
- Cube (n³)
- 2,254,738,849,059,689
- Divisor count
- 2
- σ(n) — sum of divisors
- 131,130
- φ(n) — Euler's totient
- 131,128
Primality
131,129 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,129 = [362; (8, 1, 1, 12, 1, 1, 1, 3, 3, 1, 1, 2, 90, 7, 6, 3, 1, 3, 31, 4, 2, 44, 1, 4, …)]
Representations
- In words
- one hundred thirty-one thousand one hundred twenty-nine
- Ordinal
- 131129th
- Binary
- 100000000000111001
- Octal
- 400071
- Hexadecimal
- 0x20039
- Base64
- AgA5
- One's complement
- 4,294,836,166 (32-bit)
- Scientific notation
- 1.31129 × 10⁵
- As a duration
- 131,129 s = 1 day, 12 hours, 25 minutes, 29 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαρκθʹ
- Mayan (base 20)
- 𝋰·𝋧·𝋰·𝋩
- Chinese
- 一十三萬一千一百二十九
- Chinese (financial)
- 壹拾參萬壹仟壹佰貳拾玖
Also seen as
UTF-8 encoding: F0 A0 80 B9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.0.57.
- Address
- 0.2.0.57
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.0.57
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 131,129 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 131129 first appears in π at position 443,117 of the decimal expansion (the 443,117ordinal-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.