21,714
21,714 is a composite number, even.
21,714 (twenty-one thousand seven hundred fourteen) is an even 5-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 7 × 11 × 47. Its proper divisors sum to 33,582, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x54D2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 15
- Digit product
- 56
- Digital root
- 6
- Palindrome
- No
- Bit width
- 15 bits
- Reversed
- 41,712
- Recamán's sequence
- a(40,411) = 21,714
- Square (n²)
- 471,497,796
- Cube (n³)
- 10,238,103,142,344
- Divisor count
- 32
- σ(n) — sum of divisors
- 55,296
- φ(n) — Euler's totient
- 5,520
- Sum of prime factors
- 70
Primality
Prime factorization: 2 × 3 × 7 × 11 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√21,714 = [147; (2, 1, 4, 11, 1, 1, 2, 1, 6, 2, 8, 2, 6, 1, 2, 1, 1, 11, 4, 1, 2, 294)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- twenty-one thousand seven hundred fourteen
- Ordinal
- 21714th
- Binary
- 101010011010010
- Octal
- 52322
- Hexadecimal
- 0x54D2
- Base64
- VNI=
- One's complement
- 43,821 (16-bit)
- Scientific notation
- 2.1714 × 10⁴
- As a duration
- 21,714 s = 6 hours, 1 minute, 54 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹𒁹 𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵καψιδʹ
- Mayan (base 20)
- 𝋢·𝋮·𝋥·𝋮
- Chinese
- 二萬一千七百一十四
- Chinese (financial)
- 貳萬壹仟柒佰壹拾肆
Digit at this position in famous constants
- π — Pi (π)
- Digit 21,714 = 9
- e — Euler's number (e)
- Digit 21,714 = 9
- φ — Golden ratio (φ)
- Digit 21,714 = 4
- √2 — Pythagoras's (√2)
- Digit 21,714 = 6
- ln 2 — Natural log of 2
- Digit 21,714 = 1
- γ — Euler-Mascheroni (γ)
- Digit 21,714 = 3
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 21714, here are decompositions:
- 13 + 21701 = 21714
- 31 + 21683 = 21714
- 41 + 21673 = 21714
- 53 + 21661 = 21714
- 67 + 21647 = 21714
- 97 + 21617 = 21714
- 101 + 21613 = 21714
- 103 + 21611 = 21714
Showing the first eight; more decompositions exist.
UTF-8 encoding: E5 93 92 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.84.210.
- Address
- 0.0.84.210
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.84.210
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 21714 first appears in π at position 36,364 of the decimal expansion (the 36,364ordinal-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°.