Live analysis
104,721
104,721 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.).
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 15
- Digital root
- 6
- Palindrome
- No
- Reversed
- 127,401
- Recamán's sequence
- a(91,749) = 104,721
- Divisor count
- 8
- σ(n) — sum of divisors
- 141,984
Primality
Prime factorization: 3 × 67 × 521
Divisors & multiples
Aliquot sum (sum of proper divisors):
37,263
First multiples
104,721
· 209,442
· 314,163
· 418,884
· 523,605
· 628,326
· 733,047
· 837,768
· 942,489
· 1,047,210
Representations
- In words
- one hundred four thousand seven hundred twenty-one
- Ordinal
- 104721st
- Binary
- 11001100100010001
- Octal
- 314421
- Hexadecimal
- 0x19911
- Base64
- AZkR
Also seen as
Hex color
#019911
RGB(1, 153, 17)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.1.153.17.
- Address
- 0.1.153.17
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.153.17
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 104,721 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.