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 #3 of the Home prime · Base 2 sequence of
921
Term #1 of the Home prime · Base 5 sequence of
396
Term #1 of the Inverse home prime · Base 10 sequence of
4819
Term #1 of the Home prime · Base 14 sequence of
4946
Term #1 of the Home prime · Base 15 sequence of
550
Term #1 of the Inverse home prime · Base 21 sequence of
758
Term #1 of the Inverse home prime · Base 24 sequence of
5627
Term #2 of the Conway climb · Base 2 sequence of
2445
Term #3 of the Conway climb · Base 5 sequence of
259
Term #1 of the Conway climb · Base 14 sequence of
4946
Term #1 of the Conway climb · Base 15 sequence of
1760
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of
4819
Term #4 of the Second-class home prime · Base 2 sequence of
3168
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
4215
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
4215
Is factor of
From the command linefdb · curl
fdb
fdb number '7961' --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":"7961"},"decimal":false,"detail":2}}'