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 4 digits
↪
Term #13 of the aliquot sequence of 360 · 25 terms
Term #1 of the Inverse home prime · Base 8 sequence of 606 · 33 terms
Term #1 of the Home prime · Base 19 sequence of 6001 · 18 terms
Term #1 of the Inverse home prime · Base 13 sequence of 1497 · 19 terms
Term #1 of the Inverse home prime · Base 29 sequence of 5129 · 15 terms
Term #1 of the Conway climb · Base 19 sequence of 6001 · 14 terms
Term #2 of the Distinct-prime home prime, descending · Base 8 sequence of 454 · 19 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '6490' --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":"6490"},"decimal":false,"detail":2}}'