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.
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Term #1 of the Home prime · Base 2 sequence of
585
Term #1 of the Home prime · Base 4 sequence of
1183
Term #1 of the Home prime · Base 5 sequence of
195
Term #1 of the Home prime · Base 8 sequence of
609
Term #2 of the Inverse home prime · Base 2 sequence of
939
Term #1 of the Inverse home prime · Base 4 sequence of
899
Term #1 of the Inverse home prime · Base 8 sequence of
899
Term #1 of the Home prime · Base 16 sequence of
1183
Term #1 of the Home prime · Base 13 sequence of
1331
Term #1 of the Home prime · Base 25 sequence of
195
Term #1 of the Home prime · Base 26 sequence of
1322
Term #1 of the Home prime · Base 29 sequence of
662
Term #3 of the Home prime · Base 31 sequence of
14
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
1768
Term #1 of the Inverse home prime · Base 13 sequence of
1331
Term #1 of the Inverse home prime · Base 30 sequence of
201
Term #1 of the Inverse home prime · Base 34 sequence of
413
Term #1 of the Conway climb · Base 2 sequence of
1755
Term #1 of the Conway climb · Base 5 sequence of
195
Term #1 of the Conway climb · Base 8 sequence of
609
Term #1 of the Conway climb · Base 25 sequence of
195
Term #1 of the Conway climb · Base 26 sequence of
1322
Term #1 of the Conway climb · Base 29 sequence of
662
Term #1 of the Conway climb · Base 30 sequence of
384
Term #3 of the Conway climb · Base 31 sequence of
14
Term #1 of the Distinct-prime home prime · Base 8 sequence of
609
Term #2 of the Distinct-prime home prime, descending · Base 2 sequence of
939
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of
899
Term #1 of the Second-class home prime · Base 2 sequence of
1170
Term #1 of the Second-class home prime · Base 8 sequence of
1218
Is factor of
From the command linefdb · curl
fdb
fdb number '2013' --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":"2013"},"decimal":false,"detail":2}}'