142,550
142,550 is a composite number, even.
142,550 (one hundred forty-two thousand five hundred fifty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2 × 5² × 2,851. Written other ways, in hexadecimal, 0x22CD6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 55,241
- Recamán's sequence
- a(223,316) = 142,550
- Square (n²)
- 20,320,502,500
- Cube (n³)
- 2,896,687,631,375,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 265,236
- φ(n) — Euler's totient
- 57,000
- Sum of prime factors
- 2,863
Primality
Prime factorization: 2 × 5 2 × 2851
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,550 = [377; (1, 1, 3, 1, 4, 2, 1, 1, 6, 2, 1, 53, 3, 1, 14, 2, 1, 5, 1, 1, 3, 3, 1, 14, …)]
Representations
- In words
- one hundred forty-two thousand five hundred fifty
- Ordinal
- 142550th
- Binary
- 100010110011010110
- Octal
- 426326
- Hexadecimal
- 0x22CD6
- Base64
- AizW
- One's complement
- 4,294,824,745 (32-bit)
- Scientific notation
- 1.4255 × 10⁵
- As a duration
- 142,550 s = 1 day, 15 hours, 35 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρμβφνʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋧·𝋪
- Chinese
- 一十四萬二千五百五十
- Chinese (financial)
- 壹拾肆萬貳仟伍佰伍拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142550, here are decompositions:
- 3 + 142547 = 142550
- 7 + 142543 = 142550
- 13 + 142537 = 142550
- 97 + 142453 = 142550
- 181 + 142369 = 142550
- 193 + 142357 = 142550
- 223 + 142327 = 142550
- 313 + 142237 = 142550
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B3 96 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.214.
- Address
- 0.2.44.214
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.214
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 142,550 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.