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
4004
Term #1 of the Home prime · Base 4 sequence of
5005
Term #1 of the Home prime · Base 10 sequence of
1844
Term #2 of the Inverse home prime · Base 2 sequence of
12997
Term #3 of the Inverse home prime · Base 6 sequence of
699
Term #1 of the Home prime · Base 16 sequence of
5005
Term #2 of the Home prime · Base 19 sequence of
105
Term #1 of the Home prime · Base 22 sequence of
788
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
16600
Term #1 of the Inverse home prime · Base 26 sequence of
19849
Term #1 of the Inverse home prime · Base 32 sequence of
20329
Term #1 of the Conway climb · Base 2 sequence of
4004
Term #1 of the Conway climb · Base 4 sequence of
5005
Term #1 of the Conway climb · Base 10 sequence of
1844
Term #1 of the Conway climb · Base 16 sequence of
5005
Term #2 of the Conway climb · Base 19 sequence of
105
Term #1 of the Conway climb · Base 22 sequence of
788
Term #1 of the Distinct-prime home prime · Base 2 sequence of
8294
Term #1 of the Distinct-prime home prime · Base 16 sequence of
5005
Term #2 of the Distinct-prime home prime, descending · Base 2 sequence of
12997
Term #1 of the Second-class home prime · Base 2 sequence of
8008
Term #1 of the Second-class home prime · Base 10 sequence of
3688
Term #1 of the Second-class home prime · Base 16 sequence of
10010
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
16443
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
9660
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
10142
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
16443
Is factor of
From the command linefdb · curl
fdb
fdb number '22461' --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":"22461"},"decimal":false,"detail":2}}'