142,931
142,931 is a composite number, odd.
142,931 (one hundred forty-two thousand nine hundred thirty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 37 × 3,863. Written other ways, in hexadecimal, 0x22E53.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 216
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 139,241
- Recamán's sequence
- a(222,554) = 142,931
- Square (n²)
- 20,429,270,761
- Cube (n³)
- 2,919,976,099,140,491
- Divisor count
- 4
- σ(n) — sum of divisors
- 146,832
- φ(n) — Euler's totient
- 139,032
- Sum of prime factors
- 3,900
Primality
Prime factorization: 37 × 3863
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,931 = [378; (16, 11, 1, 1, 3, 16, 6, 1, 1, 17, 1, 9, 2, 2, 2, 1, 74, 1, 9, 1, 1, 1, 28, 2, …)]
Representations
- In words
- one hundred forty-two thousand nine hundred thirty-one
- Ordinal
- 142931st
- Binary
- 100010111001010011
- Octal
- 427123
- Hexadecimal
- 0x22E53
- Base64
- Ai5T
- One's complement
- 4,294,824,364 (32-bit)
- Scientific notation
- 1.42931 × 10⁵
- As a duration
- 142,931 s = 1 day, 15 hours, 42 minutes, 11 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμβϡλαʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋦·𝋫
- Chinese
- 一十四萬二千九百三十一
- Chinese (financial)
- 壹拾肆萬貳仟玖佰參拾壹
Also seen as
UTF-8 encoding: F0 A2 B9 93 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.83.
- Address
- 0.2.46.83
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.83
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 142,931 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.