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104,243

104,243 is a prime, 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.).
Cousin Prime Deficient Number Prime Recamán's Sequence Squarefree

Properties

Parity
Odd
Digit count
6
Digit sum
14
Digital root
5
Palindrome
No
Reversed
342,401
Recamán's sequence
a(93,617) = 104,243
Divisor count
2
σ(n) — sum of divisors
104,244

Primality

104,243 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 104243
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 104,243)
1 × 104243
First multiples
104,243 · 208,486 · 312,729 · 416,972 · 521,215 · 625,458 · 729,701 · 833,944 · 938,187 · 1,042,430

Representations

In words
one hundred four thousand two hundred forty-three
Ordinal
104243rd
Binary
11001011100110011
Octal
313463
Hexadecimal
0x19733
Base64
AZcz

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: cousin with 104239.

Hex color
#019733
RGB(1, 151, 51)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.151.51.

Address
0.1.151.51
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.151.51

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

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 104,243 and was likely granted around 1870.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.