131,389
131,389 is a composite number, odd.
131,389 (one hundred thirty-one thousand three hundred eighty-nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 83 × 1,583. Written other ways, in hexadecimal, 0x2013D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 648
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 983,131
- Square (n²)
- 17,263,069,321
- Cube (n³)
- 2,268,177,415,016,869
- Divisor count
- 4
- σ(n) — sum of divisors
- 133,056
- φ(n) — Euler's totient
- 129,724
- Sum of prime factors
- 1,666
Primality
Prime factorization: 83 × 1583
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,389 = [362; (2, 10, 144, 1, 8, 1, 1, 4, 1, 28, 5, 1, 1, 2, 2, 3, 1, 1, 5, 4, 4, 6, 2, 10, …)]
Representations
- In words
- one hundred thirty-one thousand three hundred eighty-nine
- Ordinal
- 131389th
- Binary
- 100000000100111101
- Octal
- 400475
- Hexadecimal
- 0x2013D
- Base64
- AgE9
- One's complement
- 4,294,835,906 (32-bit)
- Scientific notation
- 1.31389 × 10⁵
- As a duration
- 131,389 s = 1 day, 12 hours, 29 minutes, 49 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλατπθʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋩·𝋩
- Chinese
- 一十三萬一千三百八十九
- Chinese (financial)
- 壹拾參萬壹仟參佰捌拾玖
Also seen as
UTF-8 encoding: F0 A0 84 BD (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.61.
- Address
- 0.2.1.61
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.61
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 131,389 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 131389 first appears in π at position 14,956 of the decimal expansion (the 14,956ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.