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 4 digits
↪
Term #5 of the Home prime · Base 3 sequence of 9 · 14 terms
Term #1 of the Inverse home prime · Base 3 sequence of 4358 · 8 terms
Term #1 of the Inverse home prime · Base 6 sequence of 4163 · 3 terms
Term #1 of the Home prime · Base 14 sequence of 710 · 5 terms
Term #1 of the Home prime · Base 30 sequence of 1421 · 3 terms
Term #1 of the Home prime · Base 35 sequence of 1595 · 4 terms
Term #1 of the Home prime · Base 36 sequence of 295 · 3 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 3540 · 2 terms
Term #1 of the Inverse home prime · Base 22 sequence of 715 · 4 terms
Term #1 of the Inverse home prime · Base 26 sequence of 3263 · 5 terms
Term #1 of the Inverse home prime · Base 36 sequence of 4163 · 3 terms
Term #1 of the Conway climb · Base 14 sequence of 710 · 6 terms
Term #1 of the Conway climb · Base 30 sequence of 1673 · 3 terms
Term #1 of the Conway climb · Base 35 sequence of 1595 · 16 terms
Term #1 of the Conway climb · Base 36 sequence of 295 · 3 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 4358 · 2 terms
Term #4 of the Distinct-prime home prime, descending · Base 3 sequence of 1757 · 7 terms
Term #1 of the Second-class home prime · Base 3 sequence of 1888 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 3475 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 3475 · 25 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '6539' --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":"6539"},"decimal":false,"detail":2}}'