number.wiki
Number

349

349 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Prime Squarefree Twin Prime Year

Properties

Parity
Odd
Digit count
3
Digit sum
16
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
350

Primality

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

Divisors & multiples

All divisors (2)
1 · 349
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 349)
1 × 349
First multiples
349 · 698 · 1,047 · 1,396 · 1,745 · 2,094 · 2,443 · 2,792 · 3,141 · 3,490

Representations

In words
three hundred forty-nine
Ordinal
349th
Roman numeral
CCCXLIX
Binary
101011101
Octal
535
Hexadecimal
15D

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 347 (gap of 2)
  • Next prime: 353 (gap of 4)

Pair status: twin with 347, cousin with 353.

Unicode codepoint
ŝ
U+015D
Lowercase letter (Ll)

UTF-8 encoding: C5 9D (2 bytes).

Hex color
#00015D
RGB(0, 1, 93)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.93.