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 aliquot sequence of 320 · 2 terms
Term #1 of the Home prime · Base 3 sequence of 185 · 11 terms
Term #1 of the Home prime · Base 5 sequence of 201 · 41 terms
Term #3 of the Home prime · Base 9 sequence of 4 · 6 terms
Term #1 of the Home prime · Base 11 sequence of 237 · 17 terms
Term #1 of the Inverse home prime · Base 5 sequence of 102 · 37 terms
Term #1 of the Home prime · Base 25 sequence of 289 · 8 terms
Term #1 of the Home prime · Base 33 sequence of 169 · 8 terms
Term #1 of the Inverse home prime · Base 15 sequence of 203 · 29 terms
Term #1 of the Inverse home prime · Base 19 sequence of 115 · 20 terms
Term #1 of the Inverse home prime · Base 23 sequence of 95 · 14 terms
Term #1 of the Inverse home prime · Base 25 sequence of 289 · 19 terms
Term #1 of the Inverse home prime · Base 33 sequence of 169 · 18 terms
Term #1 of the Conway climb · Base 3 sequence of 185 · 13 terms
Term #1 of the Conway climb · Base 5 sequence of 153 · 5 terms
Term #3 of the Conway climb · Base 9 sequence of 4 · 10 terms
Term #1 of the Conway climb · Base 11 sequence of 147 · 18 terms
Term #1 of the Distinct-prime home prime · Base 3 sequence of 185 · 2 terms
Term #1 of the Second-class home prime · Base 3 sequence of 370 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 338 · 5 terms
Term #2 of the Mid-divisor concatenation · Base 3 sequence of 138 · 6 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '442' --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":"442"},"decimal":false,"detail":2}}'