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 10 sequence of 125 · 4 terms
Term #1 of the Inverse home prime · Base 7 sequence of 44 · 13 terms
Term #1 of the Inverse home prime · Base 10 sequence of 125 · 4 terms
Term #1 of the Home prime · Base 16 sequence of 44 · 18 terms
Term #1 of the Home prime · Base 14 sequence of 326 · 15 terms
Term #1 of the Home prime · Base 28 sequence of 437 · 4 terms
Term #1 of the Inverse home prime · Base 24 sequence of 69 · 20 terms
Term #1 of the Inverse home prime · Base 32 sequence of 187 · 7 terms
Term #1 of the Conway climb · Base 14 sequence of 326 · 17 terms
Term #1 of the Conway climb · Base 16 sequence of 44 · 17 terms
Term #1 of the Conway climb · Base 28 sequence of 437 · 15 terms
Term #1 of the Distinct-prime home prime · Base 16 sequence of 86 · 9 terms
Term #1 of the Second-class home prime · Base 10 sequence of 250 · 3 terms
Term #1 of the Second-class home prime · Base 16 sequence of 88 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 344 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 344 · 3 terms
Term #2 of the Mid-divisor concatenation · Base 16 sequence of 30 · 4 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '555' --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":"555"},"decimal":false,"detail":2}}'