13,642
13,642 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 16
- Digit product
- 144
- Digital root
- 7
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 24,631
- Recamán's sequence
- a(4,056) = 13,642
- Square (n²)
- 186,104,164
- Cube (n³)
- 2,538,833,005,288
- Divisor count
- 8
- σ(n) — sum of divisors
- 21,600
- φ(n) — Euler's totient
- 6,444
- Sum of prime factors
- 380
Primality
Prime factorization: 2 × 19 × 359
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- thirteen thousand six hundred forty-two
- Ordinal
- 13642nd
- Binary
- 11010101001010
- Octal
- 32512
- Hexadecimal
- 0x354A
- Base64
- NUo=
- One's complement
- 51,893 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ιγχμβʹ
- Mayan (base 20)
- 𝋡·𝋮·𝋢·𝋢
- Chinese
- 一萬三千六百四十二
- Chinese (financial)
- 壹萬參仟陸佰肆拾貳
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,642 = 3
- e — Euler's number (e)
- Digit 13,642 = 3
- φ — Golden ratio (φ)
- Digit 13,642 = 7
- √2 — Pythagoras's (√2)
- Digit 13,642 = 5
- ln 2 — Natural log of 2
- Digit 13,642 = 9
- γ — Euler-Mascheroni (γ)
- Digit 13,642 = 9
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13642, here are decompositions:
- 23 + 13619 = 13642
- 29 + 13613 = 13642
- 89 + 13553 = 13642
- 173 + 13469 = 13642
- 179 + 13463 = 13642
- 191 + 13451 = 13642
- 311 + 13331 = 13642
- 383 + 13259 = 13642
Showing the first eight; more decompositions exist.
UTF-8 encoding: E3 95 8A (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.53.74.
- Address
- 0.0.53.74
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.53.74
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 13642 first appears in π at position 112,842 of the decimal expansion (the 112,842ordinal-suffix:nd 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.