131,455
131,455 is a composite number, odd.
131,455 (one hundred thirty-one thousand four hundred fifty-five) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 5 × 61 × 431. Written other ways, in hexadecimal, 0x2017F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 300
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 554,131
- Recamán's sequence
- a(229,462) = 131,455
- Square (n²)
- 17,280,417,025
- Cube (n³)
- 2,271,597,220,021,375
- Divisor count
- 8
- σ(n) — sum of divisors
- 160,704
- φ(n) — Euler's totient
- 103,200
- Sum of prime factors
- 497
Primality
Prime factorization: 5 × 61 × 431
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,455 = [362; (1, 1, 3, 4, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 4, 1, 9, 1, 1, 6, 3, 6, 2, 1, …)]
Representations
- In words
- one hundred thirty-one thousand four hundred fifty-five
- Ordinal
- 131455th
- Binary
- 100000000101111111
- Octal
- 400577
- Hexadecimal
- 0x2017F
- Base64
- AgF/
- One's complement
- 4,294,835,840 (32-bit)
- Scientific notation
- 1.31455 × 10⁵
- As a duration
- 131,455 s = 1 day, 12 hours, 30 minutes, 55 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαυνεʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋬·𝋯
- Chinese
- 一十三萬一千四百五十五
- Chinese (financial)
- 壹拾參萬壹仟肆佰伍拾伍
Also seen as
UTF-8 encoding: F0 A0 85 BF (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.127.
- Address
- 0.2.1.127
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.127
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 131,455 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.