13,049
13,049 is a prime, odd.
13,049 (thirteen thousand forty-nine) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x32F9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 94,031
- Recamán's sequence
- a(48,177) = 13,049
- Square (n²)
- 170,276,401
- Cube (n³)
- 2,221,936,756,649
- Divisor count
- 2
- σ(n) — sum of divisors
- 13,050
- φ(n) — Euler's totient
- 13,048
Primality
13,049 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√13,049 = [114; (4, 3, 3, 1, 3, 2, 1, 1, 2, 3, 1, 3, 3, 4, 228)]
Period length 15 — the block in parentheses repeats forever.
Representations
- In words
- thirteen thousand forty-nine
- Ordinal
- 13049th
- Binary
- 11001011111001
- Octal
- 31371
- Hexadecimal
- 0x32F9
- Base64
- Mvk=
- One's complement
- 52,486 (16-bit)
- Scientific notation
- 1.3049 × 10⁴
- As a duration
- 13,049 s = 3 hours, 37 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιγμθʹ
- Mayan (base 20)
- 𝋡·𝋬·𝋬·𝋩
- Chinese
- 一萬三千零四十九
- Chinese (financial)
- 壹萬參仟零肆拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,049 = 3
- e — Euler's number (e)
- Digit 13,049 = 0
- φ — Golden ratio (φ)
- Digit 13,049 = 7
- √2 — Pythagoras's (√2)
- Digit 13,049 = 1
- ln 2 — Natural log of 2
- Digit 13,049 = 7
- γ — Euler-Mascheroni (γ)
- Digit 13,049 = 4
Also seen as
UTF-8 encoding: E3 8B B9 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.50.249.
- Address
- 0.0.50.249
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.50.249
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 13,049 Hz is closest to:
- Concert pitch (A4 = 440 Hz): G♯9 (13289.8 Hz, -32¢)
- Scientific pitch (C4 = 256 Hz): G♯9 (13004 Hz, +6¢)
- Baroque pitch (A4 = 415 Hz): A9 (13280 Hz, -30¢)
The digit sequence 13049 first appears in π at position 187,247 of the decimal expansion (the 187,247ordinal-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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.