18,010
18,010 is a composite number, even.
18,010 (eighteen thousand ten) is an even 5-digit number. It is a composite number with 8 divisors, and factors as 2 × 5 × 1,801. Written other ways, in hexadecimal, 0x465A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 10
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 15 bits
- Reversed
- 1,081
- Flips to (rotate 180°)
- 1,081
- Recamán's sequence
- a(8,140) = 18,010
- Square (n²)
- 324,360,100
- Cube (n³)
- 5,841,725,401,000
- Divisor count
- 8
- σ(n) — sum of divisors
- 32,436
- φ(n) — Euler's totient
- 7,200
- Sum of prime factors
- 1,808
Primality
Prime factorization: 2 × 5 × 1801
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√18,010 = [134; (4, 1, 29, 44, 1, 2, 2, 1, 44, 29, 1, 4, 268)]
Period length 13 — the block in parentheses repeats forever.
Representations
- In words
- eighteen thousand ten
- Ordinal
- 18010th
- Binary
- 100011001011010
- Octal
- 43132
- Hexadecimal
- 0x465A
- Base64
- Rlo=
- One's complement
- 47,525 (16-bit)
- Scientific notation
- 1.801 × 10⁴
- As a duration
- 18,010 s = 5 hours, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹 · 𒌋
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆
- Greek (Milesian)
- ͵ιηιʹ
- Mayan (base 20)
- 𝋢·𝋥·𝋠·𝋪
- Chinese
- 一萬八千零一十
- Chinese (financial)
- 壹萬捌仟零壹拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 18,010 = 1
- e — Euler's number (e)
- Digit 18,010 = 0
- φ — Golden ratio (φ)
- Digit 18,010 = 5
- √2 — Pythagoras's (√2)
- Digit 18,010 = 6
- ln 2 — Natural log of 2
- Digit 18,010 = 2
- γ — Euler-Mascheroni (γ)
- Digit 18,010 = 6
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 18010, here are decompositions:
- 23 + 17987 = 18010
- 29 + 17981 = 18010
- 53 + 17957 = 18010
- 71 + 17939 = 18010
- 89 + 17921 = 18010
- 101 + 17909 = 18010
- 107 + 17903 = 18010
- 173 + 17837 = 18010
Showing the first eight; more decompositions exist.
UTF-8 encoding: E4 99 9A (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.70.90.
- Address
- 0.0.70.90
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.70.90
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 18,010 Hz is closest to:
- Concert pitch (A4 = 440 Hz): C♯10 (17739.7 Hz, +26¢)
- Scientific pitch (C4 = 256 Hz): D10 (18390.4 Hz, -36¢)
- Baroque pitch (A4 = 415 Hz): D10 (17726.7 Hz, +27¢)
The digit sequence 18010 first appears in π at position 152,804 of the decimal expansion (the 152,804ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.