Number
87,421
87,421 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 22
- Digital root
- 4
- Palindrome
- No
- Divisor count
- 2
- σ(n) — sum of divisors
- 87,422
Primality
87,421 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
Representations
- In words
- eighty-seven thousand four hundred twenty-one
- Ordinal
- 87421st
- Binary
- 10101010101111101
- Octal
- 252575
- Hexadecimal
- 1557D
Also seen as
Prime neighborhood
Hex color
#01557D
RGB(1, 85, 125)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.1.85.125.
Possible US bank routing number
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Routing number
000087421
Federal Reserve
United States Government
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.