number.wiki
Number

42,071

42,071 is a prime, odd.

Deficient Number Happy Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
14
Digital root
5
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
42,072

Primality

42,071 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 42071
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 42,071)
1 × 42071
First multiples
42,071 · 84,142 · 126,213 · 168,284 · 210,355 · 252,426 · 294,497 · 336,568 · 378,639 · 420,710

Representations

In words
forty-two thousand seventy-one
Ordinal
42071st
Binary
1010010001010111
Octal
122127
Hexadecimal
A457

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 42,061 (gap of 10)
  • Next prime: 42,073 (gap of 2)

Pair status: twin with 42073.

Unicode codepoint
U+A457
Other letter (Lo)

UTF-8 encoding: EA 91 97 (3 bytes).

Hex color
#00A457
RGB(0, 164, 87)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.87.

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000042071
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.