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 3 sequence of
1000
Term #2 of the Home prime · Base 9 sequence of
3077
Term #3 of the Home prime · Base 10 sequence of
1437
Term #1 of the Inverse home prime · Base 3 sequence of
5975
Term #1 of the Inverse home prime · Base 9 sequence of
5975
Term #1 of the Home prime · Base 12 sequence of
4411
Term #1 of the Home prime · Base 15 sequence of
3245
Term #1 of the Home prime · Base 18 sequence of
4395
Term #1 of the Home prime · Base 21 sequence of
1774
Term #2 of the Conway climb · Base 3 sequence of
3273
Term #2 of the Conway climb · Base 9 sequence of
3077
Term #1 of the Conway climb · Base 10 sequence of
7771
Term #1 of the Conway climb · Base 12 sequence of
4411
Term #1 of the Conway climb · Base 15 sequence of
3245
Term #1 of the Conway climb · Base 18 sequence of
4395
Term #1 of the Conway climb · Base 21 sequence of
1774
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
12938
Term #2 of the Distinct-prime home prime · Base 3 sequence of
12001
Term #1 of the Distinct-prime home prime · Base 10 sequence of
7771
Term #1 of the Distinct-prime home prime, descending · Base 3 sequence of
9085
Term #1 of the Second-class home prime · Base 3 sequence of
2000
Term #2 of the Second-class home prime · Base 10 sequence of
468
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
17586
Term #2 of the Mid-divisor concatenation · Base 3 sequence of
9231
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
7771
Is factor of
From the command linefdb · curl
fdb
fdb number '19409' --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":"19409"},"decimal":false,"detail":2}}'