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 #3 of the Inverse home prime · Base 2 sequence of 4437 · 5 terms
Term #2 of the Inverse home prime · Base 8 sequence of 23051 · 12 terms
Term #1 of the Home prime · Base 28 sequence of 17054 · 24 terms
Term #1 of the Inverse home prime · Base 13 sequence of 1518 · 20 terms
Term #1 of the Inverse home prime · Base 17 sequence of 3801 · 18 terms
Term #1 of the Inverse home prime · Base 20 sequence of 4061 · 7 terms
Term #2 of the Inverse home prime · Base 22 sequence of 7033 · 4 terms
Term #1 of the Conway climb · Base 10 sequence of 10775 · 2 terms
Term #1 of the Conway climb · Base 28 sequence of 17054 · 19 terms
Term #2 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 34401 · 4 terms
Term #2 of the Distinct-prime home prime, descending · Base 2 sequence of 7905 · 4 terms
Term #2 of the Distinct-prime home prime, descending · Base 8 sequence of 23051 · 3 terms
Term #3 of the Mid-divisor concatenation · Base 2 sequence of 8852 · 5 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 22412 · 2 terms
Term #2 of the Mid-divisor concatenation · Base 16 sequence of 40016 · 42 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '52431' --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":"52431"},"decimal":false,"detail":2}}'