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21,714

21,714 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Abundant Number Arithmetic Number Odious Number Pernicious Number Practical Number Recamán's Sequence Semiperfect Number Squarefree

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

Nearest primes: 21,713 (−1) · 21,727 (+13)

Divisors & multiples

All divisors (32)
1 · 2 · 3 · 6 · 7 · 11 · 14 · 21 · 22 · 33 · 42 · 47 · 66 · 77 · 94 · 141 · 154 · 231 · 282 · 329 · 462 · 517 · 658 · 987 · 1034 · 1551 · 1974 · 3102 · 3619 · 7238 · 10857 (half) · 21714
Aliquot sum (sum of proper divisors): 33,582
Factor pairs (a × b = 21,714)
1 × 21714
2 × 10857
3 × 7238
6 × 3619
7 × 3102
11 × 1974
14 × 1551
21 × 1034
22 × 987
33 × 658
42 × 517
47 × 462
66 × 329
77 × 282
94 × 231
141 × 154
First multiples
21,714 · 43,428 (double) · 65,142 · 86,856 · 108,570 · 130,284 · 151,998 · 173,712 · 195,426 · 217,140

Sums & aliquot sequence

As consecutive integers: 7,237 + 7,238 + 7,239 5,427 + 5,428 + 5,429 + 5,430 3,099 + 3,100 + … + 3,105 1,969 + 1,970 + … + 1,979
Aliquot sequence: 21,714 33,582 36,258 36,270 68,562 91,962 129,798 151,470 318,978 465,102 715,338 998,262 1,235,658 1,296,438 1,751,754 1,767,606 1,792,842 — unresolved within range

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)
In other bases
ternary (3) 1002210020
quaternary (4) 11103102
quinary (5) 1143324
senary (6) 244310
septenary (7) 120210
nonary (9) 32706
undecimal (11) 15350
duodecimal (12) 10696
tridecimal (13) 9b64
tetradecimal (14) 7cb0
pentadecimal (15) 6679

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
In other modern scripts
Eastern Arabic ٢١٧١٤ Devanagari २१७१४ Bengali ২১৭১৪ Tamil ௨௧௭௧௪ Thai ๒๑๗๑๔ Tibetan ༢༡༧༡༤ Khmer ២១៧១៤ Lao ໒໑໗໑໔ Burmese ၂၁၇၁၄

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 decomposition

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.

Unicode codepoint
CJK Unified Ideograph-54D2
U+54D2
Other letter (Lo)

UTF-8 encoding: E5 93 92 (3 bytes).

Hex color
#0054D2
RGB(0, 84, 210)
IPv4 address

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.

Position in π

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.