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 #8 of the aliquot sequence of
4896
Term #2 of the Aliquot variants · Unitary · σ*(n) − n sequence of
13530
Term #2 of the Aliquot variants · Coreful · s#(n) − n sequence of
8100
Term #49 of the Aliquot variants · Bi-unitary · σ**(n) − n sequence of
432
Term #27 of the Aliquot variants · Infinitary · σ∞(n) − n sequence of
246
Term #1 of the Inverse home prime · Base 16 sequence of
2846
Term #1 of the Inverse home prime · Base 23 sequence of
989
Term #1 of the Distinct-prime home prime, descending · Base 16 sequence of
2846
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
15903
Is factor of
From the command linefdb · curl
fdb
fdb number '22770' --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":"22770"},"decimal":false,"detail":2}}'