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
14493
Term #2 of the Inverse home prime · Base 2 sequence of
4777
Term #2 of the Inverse home prime · Base 4 sequence of
5551
Term #1 of the Inverse home prime · Base 8 sequence of
21511
Term #1 of the Inverse home prime · Base 10 sequence of
16579
Term #1 of the Home prime · Base 20 sequence of
12477
Term #1 of the Home prime · Base 22 sequence of
13726
Term #1 of the Home prime · Base 26 sequence of
18163
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
24258
Term #1 of the Inverse home prime · Base 14 sequence of
10055
Term #1 of the Inverse home prime · Base 17 sequence of
4753
Term #1 of the Conway climb · Base 6 sequence of
14493
Term #1 of the Conway climb · Base 20 sequence of
12477
Term #1 of the Conway climb · Base 22 sequence of
13726
Term #1 of the Conway climb · Base 23 sequence of
4480
Term #1 of the Conway climb · Base 26 sequence of
18163
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
17157
Term #5 of the Distinct-prime home prime, descending · Base 2 sequence of
11985
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of
16579
Term #3 of the Mid-divisor concatenation · Base 2 sequence of
12418
Term #2 of the Mid-divisor concatenation · Base 3 sequence of
8023
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
21498
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
21498
Is factor of
From the command linefdb · curl
fdb
fdb number '28159' --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":"28159"},"decimal":false,"detail":2}}'