Number 2309 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 2309 as a prime number, because:

- 2309 is a natural number greater than 1,
- 2309 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, 2309.

Parity: 2309 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: | 2302 no | 2303 no | 2304 no | 2305 no | 2306 no | 2307 no | 2308 no | 2309 yes | 2310 no | 2311 yes | 2312 no | 2313 no | 2314 no | 2315 no | 2316 no |
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