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 5 sequence of
897
Term #1 of the Home prime · Base 10 sequence of
24
Term #1 of the Inverse home prime · Base 2 sequence of
1939
Term #1 of the Inverse home prime · Base 8 sequence of
1939
Term #3 of the Home prime · Base 14 sequence of
78
Term #1 of the Home prime · Base 17 sequence of
1001
Term #1 of the Home prime · Base 20 sequence of
1115
Term #1 of the Home prime · Base 25 sequence of
897
Term #1 of the Home prime · Base 26 sequence of
273
Term #1 of the Home prime · Base 29 sequence of
1082
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
1976
Term #1 of the Inverse home prime · Base 28 sequence of
869
Term #1 of the Conway climb · Base 5 sequence of
897
Term #1 of the Conway climb · Base 10 sequence of
92
Term #3 of the Conway climb · Base 14 sequence of
78
Term #1 of the Conway climb · Base 17 sequence of
1001
Term #1 of the Conway climb · Base 20 sequence of
1115
Term #1 of the Conway climb · Base 25 sequence of
897
Term #1 of the Conway climb · Base 26 sequence of
273
Term #1 of the Conway climb · Base 29 sequence of
1082
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
1939
Term #1 of the Distinct-prime home prime · Base 10 sequence of
446
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of
1939
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of
1939
Term #1 of the Second-class home prime · Base 10 sequence of
48
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
1598
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
972
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
1598
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
446
Is factor of
From the command linefdb · curl
fdb
fdb number '2223' --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":"2223"},"decimal":false,"detail":2}}'