factordbrpc · fdb
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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.

FF · Fully factored
below threshold 3 digits
↪
Term #1 of the Home prime · Base 11 sequence of 185 · 9 terms
Term #1 of the Inverse home prime · Base 3 sequence of 213 · 4 terms
Term #1 of the Inverse home prime · Base 9 sequence of 213 · 25 terms
Term #1 of the Home prime · Base 17 sequence of 78 · 10 terms
Term #1 of the Inverse home prime · Base 17 sequence of 481 · 6 terms
Term #1 of the Conway climb · Base 11 sequence of 185 · 18 terms
Term #1 of the Conway climb · Base 17 sequence of 78 · 4 terms
Term #1 of the Distinct-prime home prime, descending · Base 3 sequence of 213 · 4 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '642' --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":"642"},"decimal":false,"detail":2}}'