55,213
55,213 is a prime, odd.
55,213 (fifty-five thousand two hundred thirteen) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xD7AD.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 16
- Digit product
- 150
- Digital root
- 7
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 31,255
- Recamán's sequence
- a(141,129) = 55,213
- Square (n²)
- 3,048,475,369
- Cube (n³)
- 168,315,470,548,597
- Divisor count
- 2
- σ(n) — sum of divisors
- 55,214
- φ(n) — Euler's totient
- 55,212
Primality
55,213 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√55,213 = [234; (1, 38, 6, 12, 1, 7, 1, 16, 1, 1, 13, 1, 2, 1, 1, 1, 10, 22, 3, 1, 1, 16, 4, 1, …)]
Representations
- In words
- fifty-five thousand two hundred thirteen
- Ordinal
- 55213th
- Binary
- 1101011110101101
- Octal
- 153655
- Hexadecimal
- 0xD7AD
- Base64
- 160=
- One's complement
- 10,322 (16-bit)
- Scientific notation
- 5.5213 × 10⁴
- As a duration
- 55,213 s = 15 hours, 20 minutes, 13 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵νεσιγʹ
- Mayan (base 20)
- 𝋦·𝋲·𝋠·𝋭
- Chinese
- 五萬五千二百一十三
- Chinese (financial)
- 伍萬伍仟貳佰壹拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,213 = 7
- e — Euler's number (e)
- Digit 55,213 = 4
- φ — Golden ratio (φ)
- Digit 55,213 = 6
- √2 — Pythagoras's (√2)
- Digit 55,213 = 2
- ln 2 — Natural log of 2
- Digit 55,213 = 0
- γ — Euler-Mascheroni (γ)
- Digit 55,213 = 0
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.0.215.173.
- Address
- 0.0.215.173
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.215.173
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 55213 first appears in π at position 1,663 of the decimal expansion (the 1,663ordinal-suffix:rd 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.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.