13,949
13,949 is a composite number, odd.
13,949 (thirteen thousand nine hundred forty-nine) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 13 × 29 × 37. Written other ways, in hexadecimal, 0x367D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 26
- Digit product
- 972
- Digital root
- 8
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 94,931
- Recamán's sequence
- a(20,818) = 13,949
- Square (n²)
- 194,574,601
- Cube (n³)
- 2,714,121,109,349
- Divisor count
- 8
- σ(n) — sum of divisors
- 15,960
- φ(n) — Euler's totient
- 12,096
- Sum of prime factors
- 79
Primality
Prime factorization: 13 × 29 × 37
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√13,949 = [118; (9, 2, 3, 1, 58, 3, 1, 1, 1, 1, 1, 1, 3, 58, 1, 3, 2, 9, 236)]
Period length 19 — the block in parentheses repeats forever.
Representations
- In words
- thirteen thousand nine hundred forty-nine
- Ordinal
- 13949th
- Binary
- 11011001111101
- Octal
- 33175
- Hexadecimal
- 0x367D
- Base64
- Nn0=
- One's complement
- 51,586 (16-bit)
- Scientific notation
- 1.3949 × 10⁴
- As a duration
- 13,949 s = 3 hours, 52 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιγϡμθʹ
- Mayan (base 20)
- 𝋡·𝋮·𝋱·𝋩
- Chinese
- 一萬三千九百四十九
- Chinese (financial)
- 壹萬參仟玖佰肆拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,949 = 7
- e — Euler's number (e)
- Digit 13,949 = 6
- φ — Golden ratio (φ)
- Digit 13,949 = 4
- √2 — Pythagoras's (√2)
- Digit 13,949 = 8
- ln 2 — Natural log of 2
- Digit 13,949 = 7
- γ — Euler-Mascheroni (γ)
- Digit 13,949 = 8
Also seen as
UTF-8 encoding: E3 99 BD (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.54.125.
- Address
- 0.0.54.125
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.54.125
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 13,949 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A9 (14080 Hz, -16¢)
- Scientific pitch (C4 = 256 Hz): A9 (13777.2 Hz, +21¢)
- Baroque pitch (A4 = 415 Hz): A♯9 (14069.7 Hz, -15¢)
The digit sequence 13949 first appears in π at position 525 of the decimal expansion (the 525ordinal-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.