Live analysis

9,801

9,801 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.).

Deficient Number Pentagonal Perfect Square Powerful Number

Properties

Parity: Odd
Digit count: 4
Digit sum: 18
Digital root: 9
Palindrome: No
Divisor count: 15
σ(n) — sum of divisors: 16,093

Primality

Prime factorization: 3 ⁴ × 11 ²

Divisors & multiples

All divisors (15)

1 · 3 · 9 · 11 · 27 · 33 · 81 · 99 · 121 · 297 · 363 · 891 · 1089 · 3267 · 9801

Aliquot sum (sum of proper divisors): 6,292

Factor pairs (a × b = 9,801)

1 × 9801

3 × 3267

9 × 1089

11 × 891

27 × 363

33 × 297

81 × 121

99 × 99

First multiples

9,801 · 19,602 · 29,403 · 39,204 · 49,005 · 58,806 · 68,607 · 78,408 · 88,209 · 98,010

Representations

In words: nine thousand eight hundred one
Ordinal: 9801st
Binary: 10011001001001
Octal: 23111
Hexadecimal: 2649

Also seen as

Unicode codepoint

♉

U+2649

Other symbol (So)

UTF-8 encoding: E2 99 89 (3 bytes).

Lookup U+2649 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#002649

RGB(0, 38, 73)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.38.73.