FF · Fully factored
Enter a value, an expression, or a term with a variable like 10^n+1 to list a range.
Switch to Database id to look a number up by its stored id.
Reading never stores anything; use Create to add a number to the database.
See the expression syntax & functions reference.
↪
Term #1 of the Home prime · Base 2 sequence of
324
Term #1 of the Home prime · Base 3 sequence of
1281
Term #1 of the Home prime · Base 4 sequence of
324
Term #1 of the Home prime · Base 6 sequence of
446
Term #1 of the Home prime · Base 9 sequence of
1281
Term #1 of the Inverse home prime · Base 2 sequence of
1161
Term #1 of the Inverse home prime · Base 4 sequence of
1161
Term #2 of the Inverse home prime · Base 8 sequence of
789
Term #1 of the Inverse home prime · Base 10 sequence of
1405
Term #1 of the Home prime · Base 12 sequence of
1501
Term #1 of the Home prime · Base 28 sequence of
1389
Term #1 of the Home prime · Base 32 sequence of
1426
Term #1 of the Home prime · Base 34 sequence of
1006
Term #1 of the Home prime · Base 36 sequence of
446
Term #2 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
1575
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
2584
Term #1 of the Inverse home prime · Base 29 sequence of
194
Term #1 of the Conway climb · Base 2 sequence of
868
Term #1 of the Conway climb · Base 3 sequence of
1281
Term #1 of the Conway climb · Base 6 sequence of
446
Term #1 of the Conway climb · Base 9 sequence of
1281
Term #1 of the Conway climb · Base 12 sequence of
1501
Term #1 of the Conway climb · Base 28 sequence of
1389
Term #1 of the Conway climb · Base 32 sequence of
1426
Term #1 of the Conway climb · Base 34 sequence of
1006
Term #1 of the Conway climb · Base 36 sequence of
446
Term #1 of the Distinct-prime home prime · Base 2 sequence of
1270
Term #1 of the Distinct-prime home prime · Base 3 sequence of
1281
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of
1405
Term #1 of the Second-class home prime · Base 2 sequence of
648
Term #1 of the Second-class home prime · Base 3 sequence of
2562
Term #4 of the Mid-divisor concatenation · Base 2 sequence of
686
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
2074
Term #3 of the Mid-divisor concatenation · Base 8 sequence of
451
Is factor of
From the command linefdb · curl
fdb
fdb number '2815' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"2815"},"decimal":false,"detail":2}}'