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A072686
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Prime numbers whose English names have a prime number of letters.
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3
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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; refs; listen; history; internal format)
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OFFSET
| 0,1
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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".
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CROSSREFS
| Prime elements of A072685.
Sequence in context: A118883 A061712 A059661 * A002230 A106865 A000057
Adjacent sequences: A072683 A072684 A072685 * A072687 A072688 A072689
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KEYWORD
| easy,nonn,word
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AUTHOR
| Mark Hudson (mrmarkhudson(AT)hotmail.com), Jul 02 2002
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