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 8 sequence of
897
Term #1 of the Inverse home prime · Base 4 sequence of
5747
Term #2 of the Inverse home prime · Base 10 sequence of
1689
Term #1 of the Home prime · Base 16 sequence of
315
Term #1 of the Inverse home prime · Base 12 sequence of
441
Term #3 of the Inverse home prime · Base 16 sequence of
335
Term #1 of the Inverse home prime · Base 17 sequence of
1546
Term #1 of the Conway climb · Base 8 sequence of
897
Term #1 of the Conway climb · Base 16 sequence of
945
Term #2 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
9651
Term #2 of the Distinct-prime home prime · Base 8 sequence of
655
Term #2 of the Distinct-prime home prime, descending · Base 10 sequence of
1689
Term #3 of the Distinct-prime home prime, descending · Base 16 sequence of
335
Term #2 of the Second-class home prime · Base 8 sequence of
1310
Term #1 of the Second-class home prime · Base 16 sequence of
630
Term #2 of the Mid-divisor concatenation · Base 10 sequence of
1062
Term #2 of the Mid-divisor concatenation · Base 16 sequence of
1445
Is factor of
From the command linefdb · curl
fdb
fdb number '13143' --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":"13143"},"decimal":false,"detail":2}}'