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
2066
Term #1 of the Inverse home prime · Base 3 sequence of
2276
Term #1 of the Home prime · Base 12 sequence of
1958
Term #1 of the Home prime · Base 26 sequence of
2779
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
3468
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
5118
Term #2 of the Inverse home prime · Base 22 sequence of
527
Term #1 of the Inverse home prime · Base 26 sequence of
1379
Term #1 of the Conway climb · Base 2 sequence of
2066
Term #1 of the Conway climb · Base 12 sequence of
1958
Term #1 of the Conway climb · Base 13 sequence of
944
Term #1 of the Conway climb · Base 26 sequence of
2779
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
1960
Term #1 of the Distinct-prime home prime · Base 2 sequence of
2066
Term #2 of the Distinct-prime home prime, descending · Base 3 sequence of
2653
Term #1 of the Second-class home prime · Base 2 sequence of
4132
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
2066
Is factor of
From the command linefdb · curl
fdb
fdb number '5129' --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":"5129"},"decimal":false,"detail":2}}'