42,039
42,039 is a composite number, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 93,024
- Recamán's sequence
- a(151,545) = 42,039
- Square (n²)
- 1,767,277,521
- Cube (n³)
- 74,294,579,705,319
- Divisor count
- 12
- σ(n) — sum of divisors
- 63,336
- φ(n) — Euler's totient
- 27,864
- Sum of prime factors
- 188
Primality
Prime factorization: 3 5 × 173
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- forty-two thousand thirty-nine
- Ordinal
- 42039th
- Binary
- 1010010000110111
- Octal
- 122067
- Hexadecimal
- 0xA437
- Base64
- pDc=
- One's complement
- 23,496 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβλθʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋡·𝋳
- Chinese
- 四萬二千零三十九
- Chinese (financial)
- 肆萬貳仟零參拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,039 = 7
- e — Euler's number (e)
- Digit 42,039 = 3
- φ — Golden ratio (φ)
- Digit 42,039 = 9
- √2 — Pythagoras's (√2)
- Digit 42,039 = 2
- ln 2 — Natural log of 2
- Digit 42,039 = 8
- γ — Euler-Mascheroni (γ)
- Digit 42,039 = 5
Also seen as
UTF-8 encoding: EA 90 B7 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.55.
- Address
- 0.0.164.55
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.164.55
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.
The digit sequence 42039 first appears in π at position 32,334 of the decimal expansion (the 32,334ordinal-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.