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 #12 of the aliquot sequence of 408 · 17 terms
Term #1 of the Home prime · Base 9 sequence of 138 · 38 terms
Term #1 of the Inverse home prime · Base 3 sequence of 955 · 2 terms
Term #1 of the Inverse home prime · Base 6 sequence of 350 · 23 terms
Term #1 of the Inverse home prime · Base 9 sequence of 955 · 36 terms
Term #1 of the Home prime · Base 15 sequence of 1043 · 7 terms
Term #1 of the Home prime · Base 21 sequence of 1203 · 5 terms
Term #1 of the Home prime · Base 23 sequence of 411 · 13 terms
Term #1 of the Inverse home prime · Base 17 sequence of 707 · 26 terms
Term #1 of the Inverse home prime · Base 29 sequence of 767 · 12 terms
Term #1 of the Conway climb · Base 9 sequence of 90 · 21 terms
Term #1 of the Conway climb · Base 15 sequence of 1043 · 6 terms
Term #1 of the Conway climb · Base 21 sequence of 1083 · 19 terms
Term #1 of the Conway climb · Base 23 sequence of 411 · 10 terms
Term #1 of the Distinct-prime home prime, descending · Base 3 sequence of 955 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 408 · 4 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '1724' --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":"1724"},"decimal":false,"detail":2}}'