142,431
142,431 is a composite number, odd.
142,431 (one hundred forty-two thousand four hundred thirty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 197 × 241. Written other ways, in hexadecimal, 0x22C5F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 96
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 134,241
- Recamán's sequence
- a(40,174) = 142,431
- Square (n²)
- 20,286,589,761
- Cube (n³)
- 2,889,439,266,248,991
- Divisor count
- 8
- σ(n) — sum of divisors
- 191,664
- φ(n) — Euler's totient
- 94,080
- Sum of prime factors
- 441
Primality
Prime factorization: 3 × 197 × 241
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,431 = [377; (2, 2, 125, 2, 2, 754)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand four hundred thirty-one
- Ordinal
- 142431st
- Binary
- 100010110001011111
- Octal
- 426137
- Hexadecimal
- 0x22C5F
- Base64
- Aixf
- One's complement
- 4,294,824,864 (32-bit)
- Scientific notation
- 1.42431 × 10⁵
- As a duration
- 142,431 s = 1 day, 15 hours, 33 minutes, 51 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμβυλαʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋡·𝋫
- Chinese
- 一十四萬二千四百三十一
- Chinese (financial)
- 壹拾肆萬貳仟肆佰參拾壹
Also seen as
UTF-8 encoding: F0 A2 B1 9F (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.95.
- Address
- 0.2.44.95
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.95
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 142,431 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.