142,831
142,831 is a composite number, odd.
142,831 (one hundred forty-two thousand eight hundred thirty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 13 × 10,987. Written other ways, in hexadecimal, 0x22DEF.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 192
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 138,241
- Recamán's sequence
- a(222,754) = 142,831
- Square (n²)
- 20,400,694,561
- Cube (n³)
- 2,913,851,604,842,191
- Divisor count
- 4
- σ(n) — sum of divisors
- 153,832
- φ(n) — Euler's totient
- 131,832
- Sum of prime factors
- 11,000
Primality
Prime factorization: 13 × 10987
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,831 = [377; (1, 13, 3, 1, 4, 8, 5, 3, 6, 10, 1, 3, 1, 9, 2, 2, 1, 1, 4, 1, 2, 1, 4, 1, …)]
Representations
- In words
- one hundred forty-two thousand eight hundred thirty-one
- Ordinal
- 142831st
- Binary
- 100010110111101111
- Octal
- 426757
- Hexadecimal
- 0x22DEF
- Base64
- Ai3v
- One's complement
- 4,294,824,464 (32-bit)
- Scientific notation
- 1.42831 × 10⁵
- As a duration
- 142,831 s = 1 day, 15 hours, 40 minutes, 31 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμβωλαʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋡·𝋫
- Chinese
- 一十四萬二千八百三十一
- Chinese (financial)
- 壹拾肆萬貳仟捌佰參拾壹
Also seen as
UTF-8 encoding: F0 A2 B7 AF (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.239.
- Address
- 0.2.45.239
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.239
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 142,831 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.