13,136
13,136 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 14
- Digit product
- 54
- Digital root
- 5
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 63,131
- Recamán's sequence
- a(48,003) = 13,136
- Square (n²)
- 172,554,496
- Cube (n³)
- 2,266,675,859,456
- Divisor count
- 10
- σ(n) — sum of divisors
- 25,482
- φ(n) — Euler's totient
- 6,560
- Sum of prime factors
- 829
Primality
Prime factorization: 2 4 × 821
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- thirteen thousand one hundred thirty-six
- Ordinal
- 13136th
- Binary
- 11001101010000
- Octal
- 31520
- Hexadecimal
- 0x3350
- Base64
- M1A=
- One's complement
- 52,399 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιγρλϛʹ
- Mayan (base 20)
- 𝋡·𝋬·𝋰·𝋰
- Chinese
- 一萬三千一百三十六
- Chinese (financial)
- 壹萬參仟壹佰參拾陸
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,136 = 2
- e — Euler's number (e)
- Digit 13,136 = 8
- φ — Golden ratio (φ)
- Digit 13,136 = 6
- √2 — Pythagoras's (√2)
- Digit 13,136 = 6
- ln 2 — Natural log of 2
- Digit 13,136 = 3
- γ — Euler-Mascheroni (γ)
- Digit 13,136 = 3
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13136, here are decompositions:
- 37 + 13099 = 13136
- 43 + 13093 = 13136
- 73 + 13063 = 13136
- 103 + 13033 = 13136
- 127 + 13009 = 13136
- 157 + 12979 = 13136
- 163 + 12973 = 13136
- 229 + 12907 = 13136
Showing the first eight; more decompositions exist.
UTF-8 encoding: E3 8D 90 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.51.80.
- Address
- 0.0.51.80
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.51.80
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 13136 first appears in π at position 29,609 of the decimal expansion (the 29,609ordinal-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.