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A114549 Prime numbers p for which (sum of the digits of p) + (number of the digits of p) is a prime. 0
2, 23, 29, 41, 47, 83, 89, 101, 103, 107, 109, 127, 149, 163, 167, 181, 211, 233, 239, 251, 257, 271, 277, 293, 307, 347, 349, 367, 383, 389, 419, 431, 433, 439, 457, 463, 479, 491, 503, 509, 521, 523, 541, 563, 569, 587, 613, 617, 619, 631, 653, 659, 673 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

89 is in the sequence because (1) it is a prime number, (2) the sum of the digits is 8+9=17, the number of digits is 2 and (3) 17+2=19, which is a prime number.

CROSSREFS

Sequence in context: A045391 A154758 A156614 * A034843 A084373 A107148

Adjacent sequences:  A114546 A114547 A114548 * A114550 A114551 A114552

KEYWORD

base,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), Apr 20 2006

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Last modified February 16 17:11 EST 2012. Contains 205938 sequences.