13,481
13,481 is a composite number, odd.
13,481 (thirteen thousand four hundred eighty-one) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 13 × 17 × 61. Written other ways, in hexadecimal, 0x34A9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 17
- Digit product
- 96
- Digital root
- 8
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 18,431
- Recamán's sequence
- a(47,313) = 13,481
- Square (n²)
- 181,737,361
- Cube (n³)
- 2,450,001,363,641
- Divisor count
- 8
- σ(n) — sum of divisors
- 15,624
- φ(n) — Euler's totient
- 11,520
- Sum of prime factors
- 91
Primality
Prime factorization: 13 × 17 × 61
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√13,481 = [116; (9, 3, 1, 1, 13, 1, 16, 1, 13, 1, 1, 3, 9, 232)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- thirteen thousand four hundred eighty-one
- Ordinal
- 13481st
- Binary
- 11010010101001
- Octal
- 32251
- Hexadecimal
- 0x34A9
- Base64
- NKk=
- One's complement
- 52,054 (16-bit)
- Scientific notation
- 1.3481 × 10⁴
- As a duration
- 13,481 s = 3 hours, 44 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ιγυπαʹ
- Mayan (base 20)
- 𝋡·𝋭·𝋮·𝋡
- Chinese
- 一萬三千四百八十一
- Chinese (financial)
- 壹萬參仟肆佰捌拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,481 = 5
- e — Euler's number (e)
- Digit 13,481 = 1
- φ — Golden ratio (φ)
- Digit 13,481 = 2
- √2 — Pythagoras's (√2)
- Digit 13,481 = 1
- ln 2 — Natural log of 2
- Digit 13,481 = 8
- γ — Euler-Mascheroni (γ)
- Digit 13,481 = 1
Also seen as
UTF-8 encoding: E3 92 A9 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.52.169.
- Address
- 0.0.52.169
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.52.169
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 13,481 Hz is closest to:
- Concert pitch (A4 = 440 Hz): G♯9 (13289.8 Hz, +25¢)
- Scientific pitch (C4 = 256 Hz): A9 (13777.2 Hz, -38¢)
- Baroque pitch (A4 = 415 Hz): A9 (13280 Hz, +26¢)
The digit sequence 13481 first appears in π at position 76,829 of the decimal expansion (the 76,829ordinal-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.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.