jonahx
Abundant Numbers
953Abundant Numbers (Long)
956Catalan Numbers
978Christmas Trees
839Divisors
1,000Emirp Numbers
544
989Evil Numbers
969Happy Numbers
866Leap Years
674Niven Numbers
909Niven Numbers (Long)
914Odious Numbers
969Pernicious Numbers
971Prime Numbers
1,000Prime Numbers (Long)
1,000Quine
966