Burt Kaliski Jr. (@modulomathy)
3/27/12 7:44 AM
#math trivia for #March27: #87 is three times a prime. How many numbers of this form this year? (As usual, looking at numbers 1-366.)
This time it’s the number of primes up to 122: π(122) = 30.
Burt Kaliski Jr. (@modulomathy)
3/27/12 7:44 AM
#math trivia for #March27: #87 is three times a prime. How many numbers of this form this year? (As usual, looking at numbers 1-366.)
This time it’s the number of primes up to 122: π(122) = 30.