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Number

353

353 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Palindrome Prime Sexy Prime Squarefree Year

Properties

Parity
Odd
Digit count
3
Digit sum
11
Digital root
2
Palindrome
Yes
Divisor count
2
σ(n) — sum of divisors
354

Primality

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

Divisors & multiples

All divisors (2)
1 · 353
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 353)
1 × 353
First multiples
353 · 706 · 1,059 · 1,412 · 1,765 · 2,118 · 2,471 · 2,824 · 3,177 · 3,530

Representations

In words
three hundred fifty-three
Ordinal
353rd
Roman numeral
CCCLIII
Binary
101100001
Octal
541
Hexadecimal
161

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 349 (gap of 4)
  • Next prime: 359 (gap of 6)

Pair status: cousin with 349, sexy with 359.

Unicode codepoint
š
U+0161
Lowercase letter (Ll)

UTF-8 encoding: C5 A1 (2 bytes).

Lookup U+0161 on Compart ↗ Lookup on FileFormat.Info ↗
Hex color
#000161
RGB(0, 1, 97)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.97.