id:A164932 - OEIS Search Results

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Prime numbers in which the sum of the largest digit and the smallest digit is also a prime.

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11, 23, 29, 41, 43, 47, 61, 67, 83, 89, 103, 107, 163, 211, 223, 229, 233, 239, 241, 269, 293, 307, 383, 421, 431, 433, 443, 449, 457, 461, 467, 479, 499, 503, 523, 547, 587, 607, 613, 631, 641, 647, 661, 677, 683, 701, 829, 853, 857, 863, 883, 929, 947 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`If there is more than one digit with the same value (like in 211) only one is counted.`
	EXAMPLE	`The sum of the largest digit and the smallest digit in the prime 947 is also a prime.`
	CROSSREFS	`Cf. A000040, A164739` `Sequence in context: A109981 A091367 A088136 this_sequence A086244 A091939 A166559` `Adjacent sequences: A164929 A164930 A164931 this_sequence A164933 A164934 A164935`
	KEYWORD	`base,nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 31 2009`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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