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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).

Hex color
#002649
RGB(0, 38, 73)
IPv4 address

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