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 6 sequence of
1349
Term #3 of the Inverse home prime · Base 2 sequence of
1397
Term #1 of the Inverse home prime · Base 3 sequence of
1852
Term #1 of the Inverse home prime · Base 6 sequence of
1045
Term #1 of the Inverse home prime · Base 8 sequence of
3647
Term #1 of the Inverse home prime · Base 10 sequence of
1435
Term #1 of the Home prime · Base 12 sequence of
1438
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
3546
Term #1 of the Inverse home prime · Base 12 sequence of
3817
Term #1 of the Inverse home prime · Base 24 sequence of
3979
Term #1 of the Inverse home prime · Base 28 sequence of
447
Term #2 of the Inverse home prime · Base 30 sequence of
115
Term #1 of the Conway climb · Base 6 sequence of
1349
Term #1 of the Conway climb · Base 12 sequence of
1438
Term #2 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
1554
Term #2 of the Distinct-prime home prime, descending · Base 2 sequence of
2373
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of
3647
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of
1435
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
2528
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
632
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
3075
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
1264
Is factor of
From the command linefdb · curl
fdb
fdb number '4175' --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":"4175"},"decimal":false,"detail":2}}'