42,159
42,159 is a composite number, odd.
42,159 (forty-two thousand one hundred fifty-nine) is an odd 5-digit number. It is a composite number with 16 divisors, and factors as 3 × 13 × 23 × 47. Written other ways, in hexadecimal, 0xA4AF.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 21
- Digit product
- 360
- Digital root
- 3
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 95,124
- Recamán's sequence
- a(151,305) = 42,159
- Square (n²)
- 1,777,381,281
- Cube (n³)
- 74,932,617,425,679
- Divisor count
- 16
- σ(n) — sum of divisors
- 64,512
- φ(n) — Euler's totient
- 24,288
- Sum of prime factors
- 86
Primality
Prime factorization: 3 × 13 × 23 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√42,159 = [205; (3, 16, 10, 1, 2, 1, 12, 1, 16, 1, 12, 1, 2, 1, 10, 16, 3, 410)]
Period length 18 — the block in parentheses repeats forever.
Representations
- In words
- forty-two thousand one hundred fifty-nine
- Ordinal
- 42159th
- Binary
- 1010010010101111
- Octal
- 122257
- Hexadecimal
- 0xA4AF
- Base64
- pK8=
- One's complement
- 23,376 (16-bit)
- Scientific notation
- 4.2159 × 10⁴
- As a duration
- 42,159 s = 11 hours, 42 minutes, 39 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβρνθʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋧·𝋳
- Chinese
- 四萬二千一百五十九
- Chinese (financial)
- 肆萬貳仟壹佰伍拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,159 = 6
- e — Euler's number (e)
- Digit 42,159 = 7
- φ — Golden ratio (φ)
- Digit 42,159 = 1
- √2 — Pythagoras's (√2)
- Digit 42,159 = 3
- ln 2 — Natural log of 2
- Digit 42,159 = 0
- γ — Euler-Mascheroni (γ)
- Digit 42,159 = 8
Also seen as
UTF-8 encoding: EA 92 AF (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.175.
- Address
- 0.0.164.175
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.164.175
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 42159 first appears in π at position 236,678 of the decimal expansion (the 236,678ordinal-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°.