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 3 sequence of 3644 · 2 terms
Term #1 of the Home prime · Base 6 sequence of 308 · 5 terms
Term #1 of the Inverse home prime · Base 5 sequence of 2233 · 8 terms
Term #1 of the Inverse home prime · Base 6 sequence of 15335 · 7 terms
Term #1 of the Inverse home prime · Base 9 sequence of 908 · 24 terms
Term #1 of the Home prime · Base 18 sequence of 2733 · 27 terms
Term #1 of the Inverse home prime · Base 25 sequence of 2233 · 20 terms
Term #1 of the Inverse home prime · Base 28 sequence of 3289 · 4 terms
Term #4 of the Inverse home prime · Base 30 sequence of 551 · 24 terms
Term #1 of the Inverse home prime · Base 34 sequence of 7033 · 8 terms
Term #1 of the Conway climb · Base 3 sequence of 3644 · 4 terms
Term #1 of the Conway climb · Base 6 sequence of 308 · 5 terms
Term #1 of the Conway climb · Base 18 sequence of 2367 · 10 terms
Term #3 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 7494 · 4 terms
Term #1 of the Second-class home prime · Base 3 sequence of 7288 · 2 terms
Term #3 of the Mid-divisor concatenation · Base 2 sequence of 8056 · 23 terms
Term #2 of the Mid-divisor concatenation · Base 3 sequence of 6543 · 5 terms
Term #2 of the Mid-divisor concatenation · Base 8 sequence of 2644 · 31 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '18407' --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":"18407"},"decimal":false,"detail":2}}'