131,423
131,423 is a composite number, odd.
131,423 (one hundred thirty-one thousand four hundred twenty-three) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 19 × 6,917. Written other ways, in hexadecimal, 0x2015F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 72
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 324,131
- Recamán's sequence
- a(229,526) = 131,423
- Square (n²)
- 17,272,004,929
- Cube (n³)
- 2,269,938,703,783,967
- Divisor count
- 4
- σ(n) — sum of divisors
- 138,360
- φ(n) — Euler's totient
- 124,488
- Sum of prime factors
- 6,936
Primality
Prime factorization: 19 × 6917
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,423 = [362; (1, 1, 10, 3, 8, 1, 5, 1, 7, 1, 1, 2, 1, 3, 1, 9, 6, 1, 14, 1, 9, 3, 1, 1, …)]
Representations
- In words
- one hundred thirty-one thousand four hundred twenty-three
- Ordinal
- 131423rd
- Binary
- 100000000101011111
- Octal
- 400537
- Hexadecimal
- 0x2015F
- Base64
- AgFf
- One's complement
- 4,294,835,872 (32-bit)
- Scientific notation
- 1.31423 × 10⁵
- As a duration
- 131,423 s = 1 day, 12 hours, 30 minutes, 23 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαυκγʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋫·𝋣
- Chinese
- 一十三萬一千四百二十三
- Chinese (financial)
- 壹拾參萬壹仟肆佰貳拾參
Also seen as
UTF-8 encoding: F0 A0 85 9F (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.95.
- Address
- 0.2.1.95
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.95
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 131,423 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 131423 first appears in π at position 391,537 of the decimal expansion (the 391,537ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.