14,820
14,820 is a composite number, even.
14,820 (fourteen thousand eight hundred twenty) is an even 5-digit number. It is a composite number with 48 divisors, and factors as 2² × 3 × 5 × 13 × 19. Its proper divisors sum to 32,220, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x39E4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 2,841
- Recamán's sequence
- a(171,663) = 14,820
- Square (n²)
- 219,632,400
- Cube (n³)
- 3,254,952,168,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 47,040
- φ(n) — Euler's totient
- 3,456
- Sum of prime factors
- 44
Primality
Prime factorization: 2 2 × 3 × 5 × 13 × 19
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√14,820 = [121; (1, 2, 1, 4, 4, 1, 1, 3, 2, 3, 1, 1, 4, 4, 1, 2, 1, 242)]
Period length 18 — the block in parentheses repeats forever.
Representations
- In words
- fourteen thousand eight hundred twenty
- Ordinal
- 14820th
- Binary
- 11100111100100
- Octal
- 34744
- Hexadecimal
- 0x39E4
- Base64
- OeQ=
- One's complement
- 50,715 (16-bit)
- Scientific notation
- 1.482 × 10⁴
- As a duration
- 14,820 s = 4 hours, 7 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ιδωκʹ
- Mayan (base 20)
- 𝋡·𝋱·𝋡·𝋠
- Chinese
- 一萬四千八百二十
- Chinese (financial)
- 壹萬肆仟捌佰貳拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 14,820 = 5
- e — Euler's number (e)
- Digit 14,820 = 4
- φ — Golden ratio (φ)
- Digit 14,820 = 8
- √2 — Pythagoras's (√2)
- Digit 14,820 = 8
- ln 2 — Natural log of 2
- Digit 14,820 = 1
- γ — Euler-Mascheroni (γ)
- Digit 14,820 = 6
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 14820, here are decompositions:
- 7 + 14813 = 14820
- 23 + 14797 = 14820
- 37 + 14783 = 14820
- 41 + 14779 = 14820
- 53 + 14767 = 14820
- 61 + 14759 = 14820
- 67 + 14753 = 14820
- 73 + 14747 = 14820
Showing the first eight; more decompositions exist.
UTF-8 encoding: E3 A7 A4 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.57.228.
- Address
- 0.0.57.228
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.57.228
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 14,820 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A♯9 (14917.2 Hz, -11¢)
- Scientific pitch (C4 = 256 Hz): A♯9 (14596.5 Hz, +26¢)
- Baroque pitch (A4 = 415 Hz): B9 (14906.3 Hz, -10¢)
The digit sequence 14820 first appears in π at position 36,367 of the decimal expansion (the 36,367ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.