42,043
42,043 is a prime, odd.
42,043 (forty-two thousand forty-three) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xA43B.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 34,024
- Recamán's sequence
- a(151,537) = 42,043
- Square (n²)
- 1,767,613,849
- Cube (n³)
- 74,315,789,053,507
- Divisor count
- 2
- σ(n) — sum of divisors
- 42,044
- φ(n) — Euler's totient
- 42,042
Primality
42,043 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√42,043 = [205; (22, 1, 3, 1, 1, 4, 1, 1, 36, 1, 2, 1, 2, 1, 1, 2, 2, 2, 2, 23, 1, 2, 2, 3, …)]
Representations
- In words
- forty-two thousand forty-three
- Ordinal
- 42043rd
- Binary
- 1010010000111011
- Octal
- 122073
- Hexadecimal
- 0xA43B
- Base64
- pDs=
- One's complement
- 23,492 (16-bit)
- Scientific notation
- 4.2043 × 10⁴
- As a duration
- 42,043 s = 11 hours, 40 minutes, 43 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβμγʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋢·𝋣
- Chinese
- 四萬二千零四十三
- Chinese (financial)
- 肆萬貳仟零肆拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,043 = 5
- e — Euler's number (e)
- Digit 42,043 = 7
- φ — Golden ratio (φ)
- Digit 42,043 = 7
- √2 — Pythagoras's (√2)
- Digit 42,043 = 9
- ln 2 — Natural log of 2
- Digit 42,043 = 6
- γ — Euler-Mascheroni (γ)
- Digit 42,043 = 8
Also seen as
UTF-8 encoding: EA 90 BB (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.59.
- Address
- 0.0.164.59
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.164.59
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 42043 first appears in π at position 39,368 of the decimal expansion (the 39,368ordinal-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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.