number.wiki
Number

149

149 is a prime, odd, a calendar year.

Deficient Number Prime Squarefree Twin Prime Year

Properties

Parity
Odd
Digit count
3
Digit sum
14
Digital root
5
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
150

Primality

149 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 149
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 149)
1 × 149
First multiples
149 · 298 · 447 · 596 · 745 · 894 · 1,043 · 1,192 · 1,341 · 1,490

Representations

In words
one hundred forty-nine
Ordinal
149th
Roman numeral
CXLIX
Binary
10010101
Octal
225
Hexadecimal
95

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 139 (gap of 10)
  • Next prime: 151 (gap of 2)

Pair status: twin with 151.

Unicode codepoint
•
U+0095
Control character (Cc)

UTF-8 encoding: C2 95 (2 bytes).

Hex color
#000095
RGB(0, 0, 149)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.149.

Possible US bank routing number

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

Routing number
000000149
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.