142,739
142,739 is a composite number, odd.
142,739 (one hundred forty-two thousand seven hundred thirty-nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 47 × 3,037. Written other ways, in hexadecimal, 0x22D93.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 1,512
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 937,241
- Recamán's sequence
- a(222,938) = 142,739
- Square (n²)
- 20,374,422,121
- Cube (n³)
- 2,908,224,639,129,419
- Divisor count
- 4
- σ(n) — sum of divisors
- 145,824
- φ(n) — Euler's totient
- 139,656
- Sum of prime factors
- 3,084
Primality
Prime factorization: 47 × 3037
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,739 = [377; (1, 4, 4, 1, 2, 2, 2, 4, 1, 3, 1, 29, 2, 3, 5, 6, 1, 2, 7, 1, 20, 1, 2, 2, …)]
Representations
- In words
- one hundred forty-two thousand seven hundred thirty-nine
- Ordinal
- 142739th
- Binary
- 100010110110010011
- Octal
- 426623
- Hexadecimal
- 0x22D93
- Base64
- Ai2T
- One's complement
- 4,294,824,556 (32-bit)
- Scientific notation
- 1.42739 × 10⁵
- As a duration
- 142,739 s = 1 day, 15 hours, 38 minutes, 59 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβψλθʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋰·𝋳
- Chinese
- 一十四萬二千七百三十九
- Chinese (financial)
- 壹拾肆萬貳仟柒佰參拾玖
Also seen as
UTF-8 encoding: F0 A2 B6 93 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.147.
- Address
- 0.2.45.147
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.147
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 142,739 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.