A279954 Prime d-powerful numbers: prime numbers which can be represented as the sum of some nonnegative powers of their digits.

2, 3, 5, 7, 43, 89, 263, 283, 347, 373, 379, 463, 653, 733, 739, 2063, 2083, 2131, 2137, 2179, 2203, 2243, 2267, 2269, 2293, 2333, 2423, 2437, 2467, 2473, 2753, 2777, 2803, 2843, 2939, 2953, 3167, 3257, 3457, 3527, 3943, 3947, 4133, 4153, 4157, 4159, 4229, 4241, 4243, 4261, 4289, 4339, 4349, 4373, 4397

Offset

1,1

Links

Table of n, a(n) for n=1..55.

Example

43 is prime, and is 4^2 + 3^3, a sum of powers of its digits, and thus also a d-powerful number.

Crossrefs

Cf. A007532, A061862, A134703.

Sequence in context: A090716 A083820 A244556 * A120804 A092066 A224904

Adjacent sequences: A279951 A279952 A279953 * A279955 A279956 A279957

Keyword

nonn,base

Author

Randy L. Ekl, Dec 23 2016

Status

approved