login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A279954 Prime d-powerful numbers: prime numbers which can be represented as the sum of some nonnegative powers of their digits. 0
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 (list; graph; refs; listen; history; text; internal format)
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)