142,508
142,508 is a composite number, even.
142,508 (one hundred forty-two thousand five hundred eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 23 × 1,549. Written other ways, in hexadecimal, 0x22CAC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 805,241
- Recamán's sequence
- a(223,400) = 142,508
- Square (n²)
- 20,308,530,064
- Cube (n³)
- 2,894,128,002,360,512
- Divisor count
- 12
- σ(n) — sum of divisors
- 260,400
- φ(n) — Euler's totient
- 68,112
- Sum of prime factors
- 1,576
Primality
Prime factorization: 2 2 × 23 × 1549
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,508 = [377; (1, 1, 107, 2, 1, 3, 1, 14, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 16, 1, 16, 4, …)]
Representations
- In words
- one hundred forty-two thousand five hundred eight
- Ordinal
- 142508th
- Binary
- 100010110010101100
- Octal
- 426254
- Hexadecimal
- 0x22CAC
- Base64
- Aiys
- One's complement
- 4,294,824,787 (32-bit)
- Scientific notation
- 1.42508 × 10⁵
- As a duration
- 142,508 s = 1 day, 15 hours, 35 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβφηʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋥·𝋨
- Chinese
- 一十四萬二千五百零八
- Chinese (financial)
- 壹拾肆萬貳仟伍佰零捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142508, here are decompositions:
- 7 + 142501 = 142508
- 127 + 142381 = 142508
- 139 + 142369 = 142508
- 151 + 142357 = 142508
- 181 + 142327 = 142508
- 211 + 142297 = 142508
- 271 + 142237 = 142508
- 277 + 142231 = 142508
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B2 AC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.172.
- Address
- 0.2.44.172
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.172
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 142,508 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 142508 first appears in π at position 819,705 of the decimal expansion (the 819,705ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.