Number 193 is a prime number.

A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. Therefore we consider 193 as a prime number, because:

- 193 is a natural number greater than 1,
- 193 is not a product of 2 smaller natural numbers (it can be divided only by 1 and itself)

Number of factors: 2.

List of factors/divisors: 1, 193.

Parity: 193 is an odd number.

Perfect square: no (a square number or perfect square is an integer that is the square of an integer).

Perfect number: no, because the sum of its proper divisors is 1 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 186 no | 187 no | 188 no | 189 no | 190 no | 191 yes | 192 no | 193 yes | 194 no | 195 no | 196 no | 197 yes | 198 no | 199 yes | 200 no |
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