383 (three hundred [and] eighty-three) is the natural number following 382 and preceding 384.
In mathematics 383 is the 76th prime number. As a prime, it is also a safe prime, a Woodall prime, a Thabit prime, a Fortunate prime, a Gaussian prime, an isolated prime, a long prime, a prime divisor of Mersenne numbers, a Pillai prime, a left-truncatable prime, an Eisenstein prime with no imaginary part, a palindromic prime, and a palindromic wing prime. It is also the first number where the sum of a prime and the reversal of the prime is also a prime. 4383 - 3383 is prime.
383 is a happy number since it eventually reaches 1 when the number is replaced by the sum of the square of each digit, but since 838 is prime, it is also a happy prime.
There are 383 Hamiltonian graphs with 9 nodes.
References
External links 383 is cool by Numberphile in YouTube