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23,998

23,998 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.).
Arithmetic Number Deficient Number Happy Number Odious Number Pernicious Number Recamán's Sequence

Properties

Parity
Even
Digit count
5
Digit sum
31
Digit product
3,888
Digital root
4
Palindrome
No
Bit width
15 bits
Reversed
89,932
Recamán's sequence
a(38,319) = 23,998
Square (n²)
575,904,004
Cube (n³)
13,820,544,287,992
Divisor count
12
σ(n) — sum of divisors
39,528
φ(n) — Euler's totient
10,920
Sum of prime factors
99

Primality

Prime factorization: 2 × 13 2 × 71

Nearest primes: 23,993 (−5) · 24,001 (+3)

Divisors & multiples

All divisors (12)
1 · 2 · 13 · 26 · 71 · 142 · 169 · 338 · 923 · 1846 · 11999 (half) · 23998
Aliquot sum (sum of proper divisors): 15,530
Factor pairs (a × b = 23,998)
1 × 23998
2 × 11999
13 × 1846
26 × 923
71 × 338
142 × 169
First multiples
23,998 · 47,996 (double) · 71,994 · 95,992 · 119,990 · 143,988 · 167,986 · 191,984 · 215,982 · 239,980

Sums & aliquot sequence

As consecutive integers: 5,998 + 5,999 + 6,000 + 6,001 1,840 + 1,841 + … + 1,852 436 + 437 + … + 487 303 + 304 + … + 373
Aliquot sequence: 23,998 15,530 12,442 6,224 5,866 4,214 3,310 2,666 1,558 962 634 320 442 314 160 218 112 — unresolved within range

Representations

In words
twenty-three thousand nine hundred ninety-eight
Ordinal
23998th
Binary
101110110111110
Octal
56676
Hexadecimal
0x5DBE
Base64
Xb4=
One's complement
41,537 (16-bit)
In other bases
ternary (3) 1012220211
quaternary (4) 11312332
quinary (5) 1231443
senary (6) 303034
septenary (7) 126652
nonary (9) 35824
undecimal (11) 17037
duodecimal (12) 11a7a
tridecimal (13) ac00
tetradecimal (14) 8a62
pentadecimal (15) 719d

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵κγϡϟηʹ
Mayan (base 20)
𝋢·𝋳·𝋳·𝋲
Chinese
二萬三千九百九十八
Chinese (financial)
貳萬參仟玖佰玖拾捌
In other modern scripts
Eastern Arabic ٢٣٩٩٨ Devanagari २३९९८ Bengali ২৩৯৯৮ Tamil ௨௩௯௯௮ Thai ๒๓๙๙๘ Tibetan ༢༣༩༩༨ Khmer ២៣៩៩៨ Lao ໒໓໙໙໘ Burmese ၂၃၉၉၈

Digit at this position in famous constants

π — Pi (π)
Digit 23,998 = 1
e — Euler's number (e)
Digit 23,998 = 4
φ — Golden ratio (φ)
Digit 23,998 = 7
√2 — Pythagoras's (√2)
Digit 23,998 = 4
ln 2 — Natural log of 2
Digit 23,998 = 0
γ — Euler-Mascheroni (γ)
Digit 23,998 = 3

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 23998, here are decompositions:

  • 5 + 23993 = 23998
  • 17 + 23981 = 23998
  • 41 + 23957 = 23998
  • 89 + 23909 = 23998
  • 167 + 23831 = 23998
  • 179 + 23819 = 23998
  • 197 + 23801 = 23998
  • 251 + 23747 = 23998

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Unified Ideograph-5Dbe
U+5DBE
Other letter (Lo)

UTF-8 encoding: E5 B6 BE (3 bytes).

Hex color
#005DBE
RGB(0, 93, 190)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.93.190.

Address
0.0.93.190
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.93.190

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

Position in π

The digit sequence 23998 first appears in π at position 24,593 of the decimal expansion (the 24,593ordinal-suffix:rd 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.