13,408
13,408 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 80,431
- Recamán's sequence
- a(47,459) = 13,408
- Square (n²)
- 179,774,464
- Cube (n³)
- 2,410,416,013,312
- Divisor count
- 12
- σ(n) — sum of divisors
- 26,460
- φ(n) — Euler's totient
- 6,688
- Sum of prime factors
- 429
Primality
Prime factorization: 2 5 × 419
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- thirteen thousand four hundred eight
- Ordinal
- 13408th
- Binary
- 11010001100000
- Octal
- 32140
- Hexadecimal
- 0x3460
- Base64
- NGA=
- One's complement
- 52,127 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιγυηʹ
- Mayan (base 20)
- 𝋡·𝋭·𝋪·𝋨
- Chinese
- 一萬三千四百零八
- Chinese (financial)
- 壹萬參仟肆佰零捌
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,408 = 6
- e — Euler's number (e)
- Digit 13,408 = 3
- φ — Golden ratio (φ)
- Digit 13,408 = 0
- √2 — Pythagoras's (√2)
- Digit 13,408 = 8
- ln 2 — Natural log of 2
- Digit 13,408 = 8
- γ — Euler-Mascheroni (γ)
- Digit 13,408 = 5
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13408, here are decompositions:
- 11 + 13397 = 13408
- 41 + 13367 = 13408
- 71 + 13337 = 13408
- 149 + 13259 = 13408
- 167 + 13241 = 13408
- 179 + 13229 = 13408
- 191 + 13217 = 13408
- 257 + 13151 = 13408
Showing the first eight; more decompositions exist.
UTF-8 encoding: E3 91 A0 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.52.96.
- Address
- 0.0.52.96
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.52.96
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 13408 first appears in π at position 7,491 of the decimal expansion (the 7,491ordinal-suffix:st 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.