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17,940

17,940 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 Gapful Number Odious Number Pernicious Number Practical Number Recamán's Sequence Semiperfect Number Smith Number

Properties

Parity
Even
Digit count
5
Digit sum
21
Digit product
0
Digital root
3
Palindrome
No
Bit width
15 bits
Reversed
4,971
Recamán's sequence
a(16,180) = 17,940
Square (n²)
321,843,600
Cube (n³)
5,773,874,184,000
Divisor count
48
σ(n) — sum of divisors
56,448
φ(n) — Euler's totient
4,224
Sum of prime factors
48

Primality

Prime factorization: 2 2 × 3 × 5 × 13 × 23

Nearest primes: 17,939 (−1) · 17,957 (+17)

Divisors & multiples

All divisors (48)
1 · 2 · 3 · 4 · 5 · 6 · 10 · 12 · 13 · 15 · 20 · 23 · 26 · 30 · 39 · 46 · 52 · 60 · 65 · 69 · 78 · 92 · 115 · 130 · 138 · 156 · 195 · 230 · 260 · 276 · 299 · 345 · 390 · 460 · 598 · 690 · 780 · 897 · 1196 · 1380 · 1495 · 1794 · 2990 · 3588 · 4485 · 5980 · 8970 (half) · 17940
Aliquot sum (sum of proper divisors): 38,508
Factor pairs (a × b = 17,940)
1 × 17940
2 × 8970
3 × 5980
4 × 4485
5 × 3588
6 × 2990
10 × 1794
12 × 1495
13 × 1380
15 × 1196
20 × 897
23 × 780
26 × 690
30 × 598
39 × 460
46 × 390
52 × 345
60 × 299
65 × 276
69 × 260
78 × 230
92 × 195
115 × 156
130 × 138
First multiples
17,940 · 35,880 (double) · 53,820 · 71,760 · 89,700 · 107,640 · 125,580 · 143,520 · 161,460 · 179,400

Sums & aliquot sequence

As consecutive integers: 5,979 + 5,980 + 5,981 3,586 + 3,587 + 3,588 + 3,589 + 3,590 2,239 + 2,240 + … + 2,246 1,374 + 1,375 + … + 1,386
Aliquot sequence: 17,940 38,508 51,372 78,576 124,536 186,864 326,496 580,704 1,015,968 1,796,352 2,986,608 4,913,680 7,185,992 7,916,728 7,095,272 6,208,378 4,626,182 — unresolved within range

Representations

In words
seventeen thousand nine hundred forty
Ordinal
17940th
Binary
100011000010100
Octal
43024
Hexadecimal
0x4614
Base64
RhQ=
One's complement
47,595 (16-bit)
In other bases
ternary (3) 220121110
quaternary (4) 10120110
quinary (5) 1033230
senary (6) 215020
septenary (7) 103206
nonary (9) 26543
undecimal (11) 1252a
duodecimal (12) a470
tridecimal (13) 8220
tetradecimal (14) 6776
pentadecimal (15) 54b0

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
Greek (Milesian)
͵ιζϡμʹ
Mayan (base 20)
𝋢·𝋤·𝋱·𝋠
Chinese
一萬七千九百四十
Chinese (financial)
壹萬柒仟玖佰肆拾
In other modern scripts
Eastern Arabic ١٧٩٤٠ Devanagari १७९४० Bengali ১৭৯৪০ Tamil ௧௭௯௪௦ Thai ๑๗๙๔๐ Tibetan ༡༧༩༤༠ Khmer ១៧៩៤០ Lao ໑໗໙໔໐ Burmese ၁၇၉၄၀

Digit at this position in famous constants

π — Pi (π)
Digit 17,940 = 3
e — Euler's number (e)
Digit 17,940 = 4
φ — Golden ratio (φ)
Digit 17,940 = 3
√2 — Pythagoras's (√2)
Digit 17,940 = 4
ln 2 — Natural log of 2
Digit 17,940 = 8
γ — Euler-Mascheroni (γ)
Digit 17,940 = 3

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 17940, here are decompositions:

  • 11 + 17929 = 17940
  • 17 + 17923 = 17940
  • 19 + 17921 = 17940
  • 29 + 17911 = 17940
  • 31 + 17909 = 17940
  • 37 + 17903 = 17940
  • 59 + 17881 = 17940
  • 89 + 17851 = 17940

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Unified Ideograph-4614
U+4614
Other letter (Lo)

UTF-8 encoding: E4 98 94 (3 bytes).

Hex color
#004614
RGB(0, 70, 20)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.70.20.

Address
0.0.70.20
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.70.20

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 17940 first appears in π at position 11,369 of the decimal expansion (the 11,369ordinal-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.