id:A072686 - OEIS Search Results

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Prime numbers whose English names have a prime number of letters.

+0
2

2, 3, 7, 23, 37, 79, 83, 97, 109, 139, 157, 163, 167, 199, 211, 229, 239, 257, 263, 271, 313, 401, 421, 431, 449, 491, 503, 521, 569, 643, 647, 653, 709, 719, 751, 761, 809, 907, 991, 1021, 1031, 1049, 1069, 1091, 1103, 1301, 1303, 1307, 1327, 1409, 1511 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`e.g. 2003 -> "TWOTHOUSANDANDTHREE" -> 19 letters and 19 is prime. Note that the "and" naming convention is used; e.g. "ONE HUNDRED AND ONE", "ONE THOUSAND NINE HUNDRED AND SEVENTY THREE".`
	CROSSREFS	`Prime elements of A072685.` `Sequence in context: A118883 A061712 A059661 this_sequence A002230 A106865 A000057` `Adjacent sequences: A072683 A072684 A072685 this_sequence A072687 A072688 A072689`
	KEYWORD	`easy,nonn,word`
	AUTHOR	`Mark Hudson (mrmarkhudson(AT)hotmail.com), Jul 02 2002`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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