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26,221

26,221 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 Happy Number Harshad / Niven Odious Number Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
13
Digit product
48
Digital root
4
Palindrome
No
Bit width
15 bits
Reversed
12,262
Square (n²)
687,540,841
Cube (n³)
18,028,008,391,861
Divisor count
4
σ(n) — sum of divisors
28,252
φ(n) — Euler's totient
24,192
Sum of prime factors
2,030

Primality

Prime factorization: 13 × 2017

Nearest primes: 26,209 (−12) · 26,227 (+6)

Divisors & multiples

All divisors (4)
1 · 13 · 2017 · 26221
Aliquot sum (sum of proper divisors): 2,031
Factor pairs (a × b = 26,221)
1 × 26221
13 × 2017
First multiples
26,221 · 52,442 (double) · 78,663 · 104,884 · 131,105 · 157,326 · 183,547 · 209,768 · 235,989 · 262,210

Sums & aliquot sequence

As a sum of two squares: 61² + 150² = 114² + 115²
As consecutive integers: 13,110 + 13,111 2,011 + 2,012 + … + 2,023 996 + 997 + … + 1,021
Aliquot sequence: 26,221 2,031 681 231 153 81 40 50 43 1 0 — terminates at zero

Representations

In words
twenty-six thousand two hundred twenty-one
Ordinal
26221st
Binary
110011001101101
Octal
63155
Hexadecimal
0x666D
Base64
Zm0=
One's complement
39,314 (16-bit)
In other bases
ternary (3) 1022222011
quaternary (4) 12121231
quinary (5) 1314341
senary (6) 321221
septenary (7) 136306
nonary (9) 38864
undecimal (11) 18778
duodecimal (12) 13211
tridecimal (13) bc20
tetradecimal (14) 97ad
pentadecimal (15) 7b81

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵κϛσκαʹ
Mayan (base 20)
𝋣·𝋥·𝋫·𝋡
Chinese
二萬六千二百二十一
Chinese (financial)
貳萬陸仟貳佰貳拾壹
In other modern scripts
Eastern Arabic ٢٦٢٢١ Devanagari २६२२१ Bengali ২৬২২১ Tamil ௨௬௨௨௧ Thai ๒๖๒๒๑ Tibetan ༢༦༢༢༡ Khmer ២៦២២១ Lao ໒໖໒໒໑ Burmese ၂၆၂၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 26,221 = 0
e — Euler's number (e)
Digit 26,221 = 9
φ — Golden ratio (φ)
Digit 26,221 = 0
√2 — Pythagoras's (√2)
Digit 26,221 = 7
ln 2 — Natural log of 2
Digit 26,221 = 7
γ — Euler-Mascheroni (γ)
Digit 26,221 = 0

Also seen as

Unicode codepoint
CJK Unified Ideograph-666D
U+666D
Other letter (Lo)

UTF-8 encoding: E6 99 AD (3 bytes).

Hex color
#00666D
RGB(0, 102, 109)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.102.109.

Address
0.0.102.109
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.102.109

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

Position in π

The digit sequence 26221 first appears in π at position 220,943 of the decimal expansion (the 220,943ordinal-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.