WON TOPIC 73

World!Of Numbers		WON plate 73 \|
[ April 2, 2000 ] The sum of the first 202 composite numbers is 27072 [G. L. Honaker, Jr. - A053779] The sum of the first 202 composite numbers is 27072 Note the sequence starts : 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + ... The number 1 is considered as the unit, so it's neither composite nor prime ! Visit also Carlos Rivera's Puzzle 89 and try to find that elusive palprime. Jeff Heleen pushed this topic skyhigh and found the following two record palsums : The sum of the first 6249167674 composite numbers is 20500472188127400502. It is the 32nd (and now the largest known) such palindrome ! The sequence : 4 + 6 + 8 + 9 + 10 + ... + 6553235945 The sum of the first 2822581688 odd composite numbers is 8806146443446416088. The sequence : 9 + 15 + ... + 6224149881 All this data finally got compiled at the following page : Sum of the first n 'type of numbers' is palindromic
A000073 Prime Curios! Prime Puzzle Wikipedia 73 Le Nombre 73 Numberland 73