142,568
142,568 is a composite number, even.
142,568 (one hundred forty-two thousand five hundred sixty-eight) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 71 × 251. Written other ways, in hexadecimal, 0x22CE8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 1,920
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 865,241
- Recamán's sequence
- a(223,280) = 142,568
- Square (n²)
- 20,325,634,624
- Cube (n³)
- 2,897,785,077,074,432
- Divisor count
- 16
- σ(n) — sum of divisors
- 272,160
- φ(n) — Euler's totient
- 70,000
- Sum of prime factors
- 328
Primality
Prime factorization: 2 3 × 71 × 251
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,568 = [377; (1, 1, 2, 1, 1, 3, 1, 7, 1, 2, 2, 1, 2, 2, 5, 1, 1, 9, 1, 4, 15, 1, 6, 3, …)]
Period length 50 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand five hundred sixty-eight
- Ordinal
- 142568th
- Binary
- 100010110011101000
- Octal
- 426350
- Hexadecimal
- 0x22CE8
- Base64
- Aizo
- One's complement
- 4,294,824,727 (32-bit)
- Scientific notation
- 1.42568 × 10⁵
- As a duration
- 142,568 s = 1 day, 15 hours, 36 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβφξηʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋨·𝋨
- Chinese
- 一十四萬二千五百六十八
- Chinese (financial)
- 壹拾肆萬貳仟伍佰陸拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142568, here are decompositions:
- 31 + 142537 = 142568
- 67 + 142501 = 142568
- 199 + 142369 = 142568
- 211 + 142357 = 142568
- 241 + 142327 = 142568
- 271 + 142297 = 142568
- 331 + 142237 = 142568
- 337 + 142231 = 142568
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B3 A8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.232.
- Address
- 0.2.44.232
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.232
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 142,568 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.