83 (number)

83 is: • the sum of three consecutive primes (23 + 29 + 31). • the sum of five consecutive primes (11 + 13 + 17 + 19 + 23). • the 23rd prime number, following 79 (of which it is also a cousin prime) and preceding 89. • a Sophie Germain prime. • a safe prime. • a Chen prime. • an Eisenstein prime with no imaginary part and real part of the form 3n − 1. • a highly cototient number. • the number of primes that are right-truncatable. • a super-prime, because 23 is prime. ==In other fields==

• The eighth letter of the alphabet is H and the third letter is C, thus 83 stands for "Heil Christ," a greeting used by organizations that consider themselves to be Christian (While not necessarily a hate symbol, it is often used by hate organizations) • An emoticon based on :3 with wide-open eyes. ==References==