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A274335
Prime numbers with digits abc...z such that (a+b+c+...+z) + (a^b+b^c+c^d+...+y^z) is also a prime number.
0
2, 3, 5, 7, 11, 13, 19, 23, 29, 31, 43, 61, 67, 73, 83, 101, 103, 109, 113, 127, 139, 151, 157, 163, 181, 193, 211, 223, 233, 307, 313, 331, 353, 367, 373, 389, 419, 433, 439, 443, 523, 577, 613, 619, 631, 643, 659, 691, 709, 727, 733, 757, 773, 811, 853, 907
OFFSET
1,1
EXAMPLE
2 is a term because 2 = 2;
23 is a term because (2+3)+(2^3) = 5+8 = 13;
109 is a term because (1+0+9)+(1^0+0^9) = 10+1 = 11.
CROSSREFS
Sequence in context: A176162 A152900 A079151 * A049643 A005728 A050437
KEYWORD
nonn,base
AUTHOR
STATUS
approved