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Live analysis

42,009

42,009 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 Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
15
Digital root
6
Palindrome
No
Divisor count
16
σ(n) — sum of divisors
65,280

Primality

Prime factorization: 3 × 11 × 19 × 67

Divisors & multiples

All divisors (16)
1 · 3 · 11 · 19 · 33 · 57 · 67 · 201 · 209 · 627 · 737 · 1273 · 2211 · 3819 · 14003 · 42009
Aliquot sum (sum of proper divisors): 23,271
Factor pairs (a × b = 42,009)
1 × 42009
3 × 14003
11 × 3819
19 × 2211
33 × 1273
57 × 737
67 × 627
201 × 209
First multiples
42,009 · 84,018 · 126,027 · 168,036 · 210,045 · 252,054 · 294,063 · 336,072 · 378,081 · 420,090

Representations

In words
forty-two thousand nine
Ordinal
42009th
Binary
1010010000011001
Octal
122031
Hexadecimal
A419

Also seen as

Unicode codepoint
U+A419
Other letter (Lo)

UTF-8 encoding: EA 90 99 (3 bytes).

Hex color
#00A419
RGB(0, 164, 25)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.25.