id:A084988 - OEIS Search Results

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Numbers made with nonprime digits such that the sum of the digits is also not prime.

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1, 4, 6, 8, 9, 10, 18, 19, 40, 44, 46, 48, 60, 64, 66, 68, 69, 80, 81, 84, 86, 88, 90, 91, 96, 99, 100, 108, 109, 114, 116, 118, 141, 144, 149, 161, 168, 169, 180, 181, 186, 189, 190, 194, 196, 198 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`E.g. 46 is not prime and 4+6 =10 is also not prime.`
	CROSSREFS	`Cf. A084984.` `Sequence in context: A035139 A062115 A072362 this_sequence A004716 A100373 A123938` `Adjacent sequences: A084985 A084986 A084987 this_sequence A084989 A084990 A084991`
	KEYWORD	`nonn,base`
	AUTHOR	`Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jun 27 2003`

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

AT&T Labs Research