131,997
131,997 is a composite number, odd.
131,997 (one hundred thirty-one thousand nine hundred ninety-seven) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 23 × 1,913. Written other ways, in hexadecimal, 0x2039D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 1,701
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 799,131
- Recamán's sequence
- a(228,378) = 131,997
- Square (n²)
- 17,423,208,009
- Cube (n³)
- 2,299,811,187,563,973
- Divisor count
- 8
- σ(n) — sum of divisors
- 183,744
- φ(n) — Euler's totient
- 84,128
- Sum of prime factors
- 1,939
Primality
Prime factorization: 3 × 23 × 1913
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,997 = [363; (3, 5, 2, 1, 1, 2, 1, 4, 1, 1, 42, 5, 7, 1, 2, 3, 10, 2, 1, 1, 2, 2, 7, 1, …)]
Representations
- In words
- one hundred thirty-one thousand nine hundred ninety-seven
- Ordinal
- 131997th
- Binary
- 100000001110011101
- Octal
- 401635
- Hexadecimal
- 0x2039D
- Base64
- AgOd
- One's complement
- 4,294,835,298 (32-bit)
- Scientific notation
- 1.31997 × 10⁵
- As a duration
- 131,997 s = 1 day, 12 hours, 39 minutes, 57 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαϡϟζʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋳·𝋱
- Chinese
- 一十三萬一千九百九十七
- Chinese (financial)
- 壹拾參萬壹仟玖佰玖拾柒
Also seen as
UTF-8 encoding: F0 A0 8E 9D (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.157.
- Address
- 0.2.3.157
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.3.157
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 131,997 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 131997 first appears in π at position 538,208 of the decimal expansion (the 538,208ordinal-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°.