13,449
13,449 is a composite number, odd.
13,449 (thirteen thousand four hundred forty-nine) is an odd 5-digit number. It is a composite number with 4 divisors, and factors as 3 × 4,483. Written other ways, in hexadecimal, 0x3489.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 21
- Digit product
- 432
- Digital root
- 3
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 94,431
- Recamán's sequence
- a(47,377) = 13,449
- Square (n²)
- 180,875,601
- Cube (n³)
- 2,432,595,957,849
- Divisor count
- 4
- σ(n) — sum of divisors
- 17,936
- φ(n) — Euler's totient
- 8,964
- Sum of prime factors
- 4,486
Primality
Prime factorization: 3 × 4483
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√13,449 = [115; (1, 32, 7, 4, 1, 1, 2, 4, 6, 2, 1, 1, 45, 1, 3, 1, 5, 1, 4, 1, 4, 9, 2, 5, …)]
Representations
- In words
- thirteen thousand four hundred forty-nine
- Ordinal
- 13449th
- Binary
- 11010010001001
- Octal
- 32211
- Hexadecimal
- 0x3489
- Base64
- NIk=
- One's complement
- 52,086 (16-bit)
- Scientific notation
- 1.3449 × 10⁴
- As a duration
- 13,449 s = 3 hours, 44 minutes, 9 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιγυμθʹ
- Mayan (base 20)
- 𝋡·𝋭·𝋬·𝋩
- Chinese
- 一萬三千四百四十九
- Chinese (financial)
- 壹萬參仟肆佰肆拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,449 = 4
- e — Euler's number (e)
- Digit 13,449 = 8
- φ — Golden ratio (φ)
- Digit 13,449 = 7
- √2 — Pythagoras's (√2)
- Digit 13,449 = 6
- ln 2 — Natural log of 2
- Digit 13,449 = 0
- γ — Euler-Mascheroni (γ)
- Digit 13,449 = 3
Also seen as
UTF-8 encoding: E3 92 89 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.52.137.
- Address
- 0.0.52.137
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.52.137
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 13,449 Hz is closest to:
- Concert pitch (A4 = 440 Hz): G♯9 (13289.8 Hz, +21¢)
- Scientific pitch (C4 = 256 Hz): A9 (13777.2 Hz, -42¢)
- Baroque pitch (A4 = 415 Hz): A9 (13280 Hz, +22¢)
The digit sequence 13449 first appears in π at position 41,710 of the decimal expansion (the 41,710ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.