64,013
64,013 is a prime, odd.
64,013 (sixty-four thousand thirteen) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xFA0D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 31,046
- Recamán's sequence
- a(286,874) = 64,013
- Square (n²)
- 4,097,664,169
- Cube (n³)
- 262,303,776,450,197
- Divisor count
- 2
- σ(n) — sum of divisors
- 64,014
- φ(n) — Euler's totient
- 64,012
Primality
64,013 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√64,013 = [253; (126, 1, 1, 126, 506)]
Period length 5 — the block in parentheses repeats forever.
Representations
- In words
- sixty-four thousand thirteen
- Ordinal
- 64013th
- Binary
- 1111101000001101
- Octal
- 175015
- Hexadecimal
- 0xFA0D
- Base64
- +g0=
- One's complement
- 1,522 (16-bit)
- Scientific notation
- 6.4013 × 10⁴
- As a duration
- 64,013 s = 17 hours, 46 minutes, 53 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ξδιγʹ
- Mayan (base 20)
- 𝋨·𝋠·𝋠·𝋭
- Chinese
- 六萬四千零一十三
- Chinese (financial)
- 陸萬肆仟零壹拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 64,013 = 8
- e — Euler's number (e)
- Digit 64,013 = 1
- φ — Golden ratio (φ)
- Digit 64,013 = 4
- √2 — Pythagoras's (√2)
- Digit 64,013 = 0
- ln 2 — Natural log of 2
- Digit 64,013 = 4
- γ — Euler-Mascheroni (γ)
- Digit 64,013 = 9
Also seen as
UTF-8 encoding: EF A8 8D (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.250.13.
- Address
- 0.0.250.13
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.250.13
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 64013 first appears in π at position 2,077 of the decimal expansion (the 2,077ordinal-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.