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 5 digits
↪
Term #1 of the Home prime · Base 7 sequence of 28058 · 9 terms
Term #1 of the Home prime · Base 10 sequence of 30221 · 3 terms
Term #1 of the Home prime · Base 20 sequence of 4085 · 8 terms
Term #1 of the Home prime · Base 26 sequence of 24982 · 22 terms
Term #1 of the Home prime · Base 28 sequence of 7478 · 3 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 46436 · 2 terms
Term #1 of the Inverse home prime · Base 13 sequence of 34001 · 7 terms
Term #1 of the Inverse home prime · Base 15 sequence of 6963 · 11 terms
Term #1 of the Conway climb · Base 7 sequence of 28058 · 19 terms
Term #1 of the Conway climb · Base 10 sequence of 30221 · 3 terms
Term #1 of the Conway climb · Base 20 sequence of 4085 · 8 terms
Term #1 of the Conway climb · Base 26 sequence of 24982 · 19 terms
Term #1 of the Conway climb · Base 28 sequence of 7478 · 3 terms
Term #1 of the Distinct-prime home prime · Base 10 sequence of 30221 · 3 terms
Term #2 of the Second-class home prime · Base 10 sequence of 24068 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 30221 · 3 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '47643' --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":"47643"},"decimal":false,"detail":2}}'