305 (number)

305 is the natural number following 304 and preceding 306.

In mathematics

• 305 is an odd composite number with two prime factors.
• 305 is the convolution of the first 7 primes with themselves.
• 305 is the fifth hexagonal prism number which is defined by (n+1)(3n²+3n+1).
• 305 is the hypotenuse of two Pythagorean triples. 305²=207²+224²=136²+273².

References