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13,823

13,823 is a composite number, odd.

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 Evil Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
17
Digit product
144
Digital root
8
Palindrome
No
Bit width
14 bits
Reversed
32,831
Recamán's sequence
a(21,070) = 13,823
Square (n²)
191,075,329
Cube (n³)
2,641,234,272,767
Divisor count
4
σ(n) — sum of divisors
14,448
φ(n) — Euler's totient
13,200
Sum of prime factors
624

Primality

Prime factorization: 23 × 601

Nearest primes: 13,807 (−16) · 13,829 (+6)

Divisors & multiples

All divisors (4)
1 · 23 · 601 · 13823
Aliquot sum (sum of proper divisors): 625
Factor pairs (a × b = 13,823)
1 × 13823
23 × 601
First multiples
13,823 · 27,646 (double) · 41,469 · 55,292 · 69,115 · 82,938 · 96,761 · 110,584 · 124,407 · 138,230

Sums & aliquot sequence

As consecutive integers: 6,911 + 6,912 590 + 591 + … + 612 278 + 279 + … + 323
Aliquot sequence: 13,823 625 156 236 184 176 196 203 37 1 0 — terminates at zero

Representations

In words
thirteen thousand eight hundred twenty-three
Ordinal
13823rd
Binary
11010111111111
Octal
32777
Hexadecimal
0x35FF
Base64
Nf8=
One's complement
51,712 (16-bit)
In other bases
ternary (3) 200221222
quaternary (4) 3113333
quinary (5) 420243
senary (6) 143555
septenary (7) 55205
nonary (9) 20858
undecimal (11) a427
duodecimal (12) 7bbb
tridecimal (13) 63a4
tetradecimal (14) 5075
pentadecimal (15) 4168

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵ιγωκγʹ
Mayan (base 20)
𝋡·𝋮·𝋫·𝋣
Chinese
一萬三千八百二十三
Chinese (financial)
壹萬參仟捌佰貳拾參
In other modern scripts
Eastern Arabic ١٣٨٢٣ Devanagari १३८२३ Bengali ১৩৮২৩ Tamil ௧௩௮௨௩ Thai ๑๓๘๒๓ Tibetan ༡༣༨༢༣ Khmer ១៣៨២៣ Lao ໑໓໘໒໓ Burmese ၁၃၈၂၃

Digit at this position in famous constants

π — Pi (π)
Digit 13,823 = 8
e — Euler's number (e)
Digit 13,823 = 5
φ — Golden ratio (φ)
Digit 13,823 = 4
√2 — Pythagoras's (√2)
Digit 13,823 = 4
ln 2 — Natural log of 2
Digit 13,823 = 2
γ — Euler-Mascheroni (γ)
Digit 13,823 = 0

Also seen as

Unicode codepoint
CJK Unified Ideograph-35Ff
U+35FF
Other letter (Lo)

UTF-8 encoding: E3 97 BF (3 bytes).

Hex color
#0035FF
RGB(0, 53, 255)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.53.255.

Address
0.0.53.255
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.53.255

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

Position in π

The digit sequence 13823 first appears in π at position 27,527 of the decimal expansion (the 27,527ordinal-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.