53,813
53,813 is a prime, odd.
53,813 (fifty-three thousand eight hundred thirteen) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xD235.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 20
- Digit product
- 360
- Digital root
- 2
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 31,835
- Recamán's sequence
- a(293,826) = 53,813
- Square (n²)
- 2,895,838,969
- Cube (n³)
- 155,833,782,438,797
- Divisor count
- 2
- σ(n) — sum of divisors
- 53,814
- φ(n) — Euler's totient
- 53,812
Primality
53,813 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√53,813 = [231; (1, 41, 5, 1, 1, 3, 3, 2, 5, 1, 2, 26, 1, 15, 1, 1, 1, 1, 5, 1, 3, 19, 1, 10, …)]
Representations
- In words
- fifty-three thousand eight hundred thirteen
- Ordinal
- 53813th
- Binary
- 1101001000110101
- Octal
- 151065
- Hexadecimal
- 0xD235
- Base64
- 0jU=
- One's complement
- 11,722 (16-bit)
- Scientific notation
- 5.3813 × 10⁴
- As a duration
- 53,813 s = 14 hours, 56 minutes, 53 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵νγωιγʹ
- Mayan (base 20)
- 𝋦·𝋮·𝋪·𝋭
- Chinese
- 五萬三千八百一十三
- Chinese (financial)
- 伍萬參仟捌佰壹拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 53,813 = 7
- e — Euler's number (e)
- Digit 53,813 = 2
- φ — Golden ratio (φ)
- Digit 53,813 = 8
- √2 — Pythagoras's (√2)
- Digit 53,813 = 2
- ln 2 — Natural log of 2
- Digit 53,813 = 0
- γ — Euler-Mascheroni (γ)
- Digit 53,813 = 8
Also seen as
UTF-8 encoding: ED 88 B5 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.210.53.
- Address
- 0.0.210.53
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.210.53
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 53813 first appears in π at position 142,270 of the decimal expansion (the 142,270ordinal-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.