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Live analysis

4,221

4,221 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.).
Deficient Number Harshad / Niven

Properties

Parity
Odd
Digit count
4
Digit sum
9
Digital root
9
Palindrome
No
Divisor count
12
σ(n) — sum of divisors
7,072

Primality

Prime factorization: 3 2 × 7 × 67

Divisors & multiples

All divisors (12)
1 · 3 · 7 · 9 · 21 · 63 · 67 · 201 · 469 · 603 · 1407 · 4221
Aliquot sum (sum of proper divisors): 2,851
Factor pairs (a × b = 4,221)
1 × 4221
3 × 1407
7 × 603
9 × 469
21 × 201
63 × 67
First multiples
4,221 · 8,442 · 12,663 · 16,884 · 21,105 · 25,326 · 29,547 · 33,768 · 37,989 · 42,210

Representations

In words
four thousand two hundred twenty-one
Ordinal
4221st
Binary
1000001111101
Octal
10175
Hexadecimal
107D

Also seen as

Unicode codepoint
U+107D
Other letter (Lo)

UTF-8 encoding: E1 81 BD (3 bytes).

Hex color
#00107D
RGB(0, 16, 125)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.16.125.