13,380
13,380 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 8,331
- Recamán's sequence
- a(47,515) = 13,380
- Square (n²)
- 179,024,400
- Cube (n³)
- 2,395,346,472,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 37,632
- φ(n) — Euler's totient
- 3,552
- Sum of prime factors
- 235
Primality
Prime factorization: 2 2 × 3 × 5 × 223
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- thirteen thousand three hundred eighty
- Ordinal
- 13380th
- Binary
- 11010001000100
- Octal
- 32104
- Hexadecimal
- 0x3444
- Base64
- NEQ=
- One's complement
- 52,155 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ιγτπʹ
- Mayan (base 20)
- 𝋡·𝋭·𝋩·𝋠
- Chinese
- 一萬三千三百八十
- Chinese (financial)
- 壹萬參仟參佰捌拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,380 = 1
- e — Euler's number (e)
- Digit 13,380 = 5
- φ — Golden ratio (φ)
- Digit 13,380 = 3
- √2 — Pythagoras's (√2)
- Digit 13,380 = 6
- ln 2 — Natural log of 2
- Digit 13,380 = 8
- γ — Euler-Mascheroni (γ)
- Digit 13,380 = 7
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13380, here are decompositions:
- 13 + 13367 = 13380
- 41 + 13339 = 13380
- 43 + 13337 = 13380
- 53 + 13327 = 13380
- 67 + 13313 = 13380
- 71 + 13309 = 13380
- 83 + 13297 = 13380
- 89 + 13291 = 13380
Showing the first eight; more decompositions exist.
UTF-8 encoding: E3 91 84 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.52.68.
- Address
- 0.0.52.68
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.52.68
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 13380 first appears in π at position 24,143 of the decimal expansion (the 24,143ordinal-suffix:rd 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.