131,641
131,641 is a prime, odd.
131,641 (one hundred thirty-one thousand six hundred forty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x20239.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 72
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 146,131
- Recamán's sequence
- a(229,090) = 131,641
- Square (n²)
- 17,329,352,881
- Cube (n³)
- 2,281,253,342,607,721
- Divisor count
- 2
- σ(n) — sum of divisors
- 131,642
- φ(n) — Euler's totient
- 131,640
Primality
131,641 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,641 = [362; (1, 4, 1, 2, 28, 1, 2, 17, 2, 1, 3, 3, 1, 2, 3, 1, 7, 2, 9, 1, 1, 1, 1, 4, …)]
Representations
- In words
- one hundred thirty-one thousand six hundred forty-one
- Ordinal
- 131641st
- Binary
- 100000001000111001
- Octal
- 401071
- Hexadecimal
- 0x20239
- Base64
- AgI5
- One's complement
- 4,294,835,654 (32-bit)
- Scientific notation
- 1.31641 × 10⁵
- As a duration
- 131,641 s = 1 day, 12 hours, 34 minutes, 1 second
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλαχμαʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋢·𝋡
- Chinese
- 一十三萬一千六百四十一
- Chinese (financial)
- 壹拾參萬壹仟陸佰肆拾壹
Also seen as
UTF-8 encoding: F0 A0 88 B9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.57.
- Address
- 0.2.2.57
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.57
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 131,641 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
- 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.