Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A045977
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
%I A045977
%S A045977 1,1,2,6,24,120,720,5040,27720,166320,1940400,25225200,230630400,
%T A045977 3920716800,16295479200,97772875200,321253732800,9316358251200,
%U A045977 767582252236800,20724720810393600,303962571885772800
%N A045977 Smallest number with same number of divisors as n!.
%D A045977 Don McDonald to sci.math Mar 20 1999
%e A045977 8!=40320 has 96 divisors, but 27720 is smaller with also 96 divisors. 
               9!=362880 has 160 divisors, but 166320 is smaller.
%Y A045977 Cf. A027423.
%Y A045977 Sequence in context: A108889 A033645 A138113 this_sequence A154655 A152369 
               A152387
%Y A045977 Adjacent sequences: A045974 A045975 A045976 this_sequence A045978 A045979 
               A045980
%K A045977 nonn,nice
%O A045977 0,3
%A A045977 Donald S McDonald (dsmc(AT)actrix.gen.nz), Mar 20 1999
%E A045977 More terms from David W. Wilson (davidwwilson(AT)comcast.net)

    
page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 17 19:39 EST 2009. Contains 170821 sequences.


AT&T Labs Research