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Number

23,189

23,189 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Evil Number Prime Pythagorean Prime Recamán's Sequence Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
23
Digit product
432
Digital root
5
Palindrome
No
Bit width
15 bits
Reversed
98,132
Recamán's sequence
a(166,817) = 23,189
Square (n²)
537,729,721
Cube (n³)
12,469,414,500,269
Divisor count
2
σ(n) — sum of divisors
23,190
φ(n) — Euler's totient
23,188

Primality

23,189 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 23189
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 23,189)
1 × 23189
First multiples
23,189 · 46,378 (double) · 69,567 · 92,756 · 115,945 · 139,134 · 162,323 · 185,512 · 208,701 · 231,890

Sums & aliquot sequence

As a sum of two squares: 55² + 142²
As consecutive integers: 11,594 + 11,595

Representations

In words
twenty-three thousand one hundred eighty-nine
Ordinal
23189th
Binary
101101010010101
Octal
55225
Hexadecimal
0x5A95
Base64
WpU=
One's complement
42,346 (16-bit)
In other bases
ternary (3) 1011210212
quaternary (4) 11222111
quinary (5) 1220224
senary (6) 255205
septenary (7) 124415
nonary (9) 34725
undecimal (11) 16471
duodecimal (12) 11505
tridecimal (13) a72a
tetradecimal (14) 8645
pentadecimal (15) 6d0e

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵κγρπθʹ
Mayan (base 20)
𝋢·𝋱·𝋳·𝋩
Chinese
二萬三千一百八十九
Chinese (financial)
貳萬參仟壹佰捌拾玖
In other modern scripts
Eastern Arabic ٢٣١٨٩ Devanagari २३१८९ Bengali ২৩১৮৯ Tamil ௨௩௧௮௯ Thai ๒๓๑๘๙ Tibetan ༢༣༡༨༩ Khmer ២៣១៨៩ Lao ໒໓໑໘໙ Burmese ၂၃၁၈၉

Digit at this position in famous constants

π — Pi (π)
Digit 23,189 = 9
e — Euler's number (e)
Digit 23,189 = 6
φ — Golden ratio (φ)
Digit 23,189 = 0
√2 — Pythagoras's (√2)
Digit 23,189 = 7
ln 2 — Natural log of 2
Digit 23,189 = 2
γ — Euler-Mascheroni (γ)
Digit 23,189 = 9

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 23,173 (gap of 16)
  • Next prime: 23,197 (gap of 8)
Unicode codepoint
CJK Unified Ideograph-5A95
U+5A95
Other letter (Lo)

UTF-8 encoding: E5 AA 95 (3 bytes).

Hex color
#005A95
RGB(0, 90, 149)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.90.149.

Address
0.0.90.149
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.90.149

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

Position in π

The digit sequence 23189 first appears in π at position 268,170 of the decimal expansion (the 268,170ordinal-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.