142,427
142,427 is a prime, odd.
142,427 (one hundred forty-two thousand four hundred twenty-seven) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x22C5B.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 448
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 724,241
- Recamán's sequence
- a(40,166) = 142,427
- Square (n²)
- 20,285,450,329
- Cube (n³)
- 2,889,195,834,008,483
- Divisor count
- 2
- σ(n) — sum of divisors
- 142,428
- φ(n) — Euler's totient
- 142,426
Primality
142,427 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,427 = [377; (2, 1, 1, 7, 2, 3, 17, 3, 1, 3, 2, 2, 2, 57, 1, 1, 1, 4, 1, 1, 1, 6, 3, 1, …)]
Representations
- In words
- one hundred forty-two thousand four hundred twenty-seven
- Ordinal
- 142427th
- Binary
- 100010110001011011
- Octal
- 426133
- Hexadecimal
- 0x22C5B
- Base64
- Aixb
- One's complement
- 4,294,824,868 (32-bit)
- Scientific notation
- 1.42427 × 10⁵
- As a duration
- 142,427 s = 1 day, 15 hours, 33 minutes, 47 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβυκζʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋡·𝋧
- Chinese
- 一十四萬二千四百二十七
- Chinese (financial)
- 壹拾肆萬貳仟肆佰貳拾柒
Also seen as
UTF-8 encoding: F0 A2 B1 9B (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.91.
- Address
- 0.2.44.91
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.91
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 142,427 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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.