142,855
142,855 is a composite number, odd.
142,855 (one hundred forty-two thousand eight hundred fifty-five) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 5 × 28,571. Written other ways, in hexadecimal, 0x22E07.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 1,600
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 558,241
- Recamán's sequence
- a(222,706) = 142,855
- Square (n²)
- 20,407,551,025
- Cube (n³)
- 2,915,320,701,676,375
- Divisor count
- 4
- σ(n) — sum of divisors
- 171,432
- φ(n) — Euler's totient
- 114,280
- Sum of prime factors
- 28,576
Primality
Prime factorization: 5 × 28571
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,855 = [377; (1, 25, 14, 1, 3, 1, 1, 1, 1, 1, 2, 1, 1, 1, 68, 11, 2, 3, 1, 1, 2, 2, 2, 2, …)]
Representations
- In words
- one hundred forty-two thousand eight hundred fifty-five
- Ordinal
- 142855th
- Binary
- 100010111000000111
- Octal
- 427007
- Hexadecimal
- 0x22E07
- Base64
- Ai4H
- One's complement
- 4,294,824,440 (32-bit)
- Scientific notation
- 1.42855 × 10⁵
- As a duration
- 142,855 s = 1 day, 15 hours, 40 minutes, 55 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβωνεʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋢·𝋯
- Chinese
- 一十四萬二千八百五十五
- Chinese (financial)
- 壹拾肆萬貳仟捌佰伍拾伍
Also seen as
UTF-8 encoding: F0 A2 B8 87 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.7.
- Address
- 0.2.46.7
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.7
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 142,855 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.