login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A139573 Numbers with 41 divisors. 17
1099511627776, 12157665459056928801, 9094947017729282379150390625, 6366805760909027985741435139224001, 452592555681759518058893560348969204658401 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

40th powers of primes. The n-th number with p divisors is equal to the n-th prime raised to power p-1, where p is prime.

LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000

OEIS Wiki, Index entries for number of divisors

FORMULA

a(n)=A000040(n)^(41-1)=A000040(n)^40.

MATHEMATICA

Prime[Range[9]]^40 (* Vladimir Joseph Stephan Orlovsky, May 05 2011 *)

PROG

(PARI) a(n)=prime(n)^40 \\ Charles R Greathouse IV, Jun 19 2016

CROSSREFS

Cf. A000005, A000040, A001248, A030514, A030516, A030629, A030631, A030635, A030637, A137486, A137492, A139571, A139572.

Sequence in context: A186178 A287251 A165987 * A263205 A095428 A227893

Adjacent sequences:  A139570 A139571 A139572 * A139574 A139575 A139576

KEYWORD

nonn,easy

AUTHOR

Omar E. Pol, May 07 2008

EXTENSIONS

More terms from Jon E. Schoenfield, May 18 2010

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 October 15 18:26 EDT 2019. Contains 328037 sequences. (Running on oeis4.)