Definition:Unitary Perfect Number/Sequence
Jump to navigation
Jump to search
Sequence
The sequence of unitary perfect numbers begins:
- $6, 60, 90, 87 \, 360, 146 \, 361 \, 946 \, 186 \, 458 \, 562 \, 560 \, 000, \ldots$
It is not known whether this sequence is complete.
This sequence is A002827 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).
Sources
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $87,360$