42,255
42,255 is a composite number, odd.
42,255 (forty-two thousand two hundred fifty-five) is an odd 5-digit number. It is a composite number with 16 divisors, and factors as 3³ × 5 × 313. Written other ways, in hexadecimal, 0xA50F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 18
- Digit product
- 400
- Digital root
- 9
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 55,224
- Recamán's sequence
- a(151,113) = 42,255
- Square (n²)
- 1,785,485,025
- Cube (n³)
- 75,445,669,731,375
- Divisor count
- 16
- σ(n) — sum of divisors
- 75,360
- φ(n) — Euler's totient
- 22,464
- Sum of prime factors
- 327
Primality
Prime factorization: 3 3 × 5 × 313
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√42,255 = [205; (1, 1, 3, 1, 1, 1, 6, 1, 36, 1, 1, 45, 5, 1, 3, 3, 7, 3, 3, 1, 5, 45, 1, 1, …)]
Period length 34 — the block in parentheses repeats forever.
Representations
- In words
- forty-two thousand two hundred fifty-five
- Ordinal
- 42255th
- Binary
- 1010010100001111
- Octal
- 122417
- Hexadecimal
- 0xA50F
- Base64
- pQ8=
- One's complement
- 23,280 (16-bit)
- Scientific notation
- 4.2255 × 10⁴
- As a duration
- 42,255 s = 11 hours, 44 minutes, 15 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβσνεʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋬·𝋯
- Chinese
- 四萬二千二百五十五
- Chinese (financial)
- 肆萬貳仟貳佰伍拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,255 = 7
- e — Euler's number (e)
- Digit 42,255 = 9
- φ — Golden ratio (φ)
- Digit 42,255 = 9
- √2 — Pythagoras's (√2)
- Digit 42,255 = 8
- ln 2 — Natural log of 2
- Digit 42,255 = 5
- γ — Euler-Mascheroni (γ)
- Digit 42,255 = 4
Also seen as
UTF-8 encoding: EA 94 8F (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.165.15.
- Address
- 0.0.165.15
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.165.15
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 42255 first appears in π at position 187,735 of the decimal expansion (the 187,735ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.