39,042
39,042 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 24,093
- Recamán's sequence
- a(154,499) = 39,042
- Square (n²)
- 1,524,277,764
- Cube (n³)
- 59,510,852,462,088
- Divisor count
- 20
- σ(n) — sum of divisors
- 87,846
- φ(n) — Euler's totient
- 12,960
- Sum of prime factors
- 255
Primality
Prime factorization: 2 × 3 4 × 241
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- thirty-nine thousand forty-two
- Ordinal
- 39042nd
- Binary
- 1001100010000010
- Octal
- 114202
- Hexadecimal
- 0x9882
- Base64
- mII=
- One's complement
- 26,493 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵λθμβʹ
- Mayan (base 20)
- 𝋤·𝋱·𝋬·𝋢
- Chinese
- 三萬九千零四十二
- Chinese (financial)
- 參萬玖仟零肆拾貳
Digit at this position in famous constants
- π — Pi (π)
- Digit 39,042 = 6
- e — Euler's number (e)
- Digit 39,042 = 3
- φ — Golden ratio (φ)
- Digit 39,042 = 6
- √2 — Pythagoras's (√2)
- Digit 39,042 = 8
- ln 2 — Natural log of 2
- Digit 39,042 = 1
- γ — Euler-Mascheroni (γ)
- Digit 39,042 = 9
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 39042, here are decompositions:
- 19 + 39023 = 39042
- 23 + 39019 = 39042
- 71 + 38971 = 39042
- 83 + 38959 = 39042
- 89 + 38953 = 39042
- 109 + 38933 = 39042
- 139 + 38903 = 39042
- 151 + 38891 = 39042
Showing the first eight; more decompositions exist.
UTF-8 encoding: E9 A2 82 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.152.130.
- Address
- 0.0.152.130
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.152.130
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 39042 first appears in π at position 384,319 of the decimal expansion (the 384,319ordinal-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.