42,143
42,143 is a composite number, odd.
42,143 (forty-two thousand one hundred forty-three) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 17 × 37 × 67. Written other ways, in hexadecimal, 0xA49F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 14
- Digit product
- 96
- Digital root
- 5
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 34,124
- Recamán's sequence
- a(151,337) = 42,143
- Square (n²)
- 1,776,032,449
- Cube (n³)
- 74,847,335,498,207
- Divisor count
- 8
- σ(n) — sum of divisors
- 46,512
- φ(n) — Euler's totient
- 38,016
- Sum of prime factors
- 121
Primality
Prime factorization: 17 × 37 × 67
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√42,143 = [205; (3, 2, 10, 2, 1, 1, 1, 15, 6, 15, 1, 1, 1, 2, 10, 2, 3, 410)]
Period length 18 — the block in parentheses repeats forever.
Representations
- In words
- forty-two thousand one hundred forty-three
- Ordinal
- 42143rd
- Binary
- 1010010010011111
- Octal
- 122237
- Hexadecimal
- 0xA49F
- Base64
- pJ8=
- One's complement
- 23,392 (16-bit)
- Scientific notation
- 4.2143 × 10⁴
- As a duration
- 42,143 s = 11 hours, 42 minutes, 23 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβρμγʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋧·𝋣
- Chinese
- 四萬二千一百四十三
- Chinese (financial)
- 肆萬貳仟壹佰肆拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,143 = 0
- e — Euler's number (e)
- Digit 42,143 = 3
- φ — Golden ratio (φ)
- Digit 42,143 = 0
- √2 — Pythagoras's (√2)
- Digit 42,143 = 4
- ln 2 — Natural log of 2
- Digit 42,143 = 1
- γ — Euler-Mascheroni (γ)
- Digit 42,143 = 0
Also seen as
UTF-8 encoding: EA 92 9F (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.159.
- Address
- 0.0.164.159
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.164.159
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 42143 first appears in π at position 183,354 of the decimal expansion (the 183,354ordinal-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.