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 #1 of the Home prime · Base 2 sequence of 585 · 2 terms
Term #1 of the Home prime · Base 4 sequence of 1183 · 4 terms
Term #1 of the Home prime · Base 5 sequence of 195 · 9 terms
Term #1 of the Home prime · Base 8 sequence of 609 · 7 terms
Term #2 of the Inverse home prime · Base 2 sequence of 939 · 4 terms
Term #1 of the Inverse home prime · Base 4 sequence of 899 · 3 terms
Term #1 of the Inverse home prime · Base 8 sequence of 899 · 5 terms
Term #1 of the Home prime · Base 16 sequence of 1183 · 24 terms
Term #1 of the Home prime · Base 13 sequence of 1331 · 21 terms
Term #1 of the Home prime · Base 25 sequence of 195 · 8 terms
Term #1 of the Home prime · Base 26 sequence of 1322 · 20 terms
Term #1 of the Home prime · Base 29 sequence of 662 · 16 terms
Term #3 of the Home prime · Base 31 sequence of 14 · 11 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 1768 · 2 terms
Term #1 of the Inverse home prime · Base 13 sequence of 1331 · 19 terms
Term #1 of the Inverse home prime · Base 30 sequence of 201 · 20 terms
Term #1 of the Inverse home prime · Base 34 sequence of 413 · 4 terms
Term #1 of the Conway climb · Base 2 sequence of 1755 · 2 terms
Term #1 of the Conway climb · Base 5 sequence of 195 · 28 terms
Term #1 of the Conway climb · Base 8 sequence of 609 · 21 terms
Term #1 of the Conway climb · Base 25 sequence of 195 · 4 terms
Term #1 of the Conway climb · Base 26 sequence of 1322 · 15 terms
Term #1 of the Conway climb · Base 29 sequence of 662 · 10 terms
Term #1 of the Conway climb · Base 30 sequence of 384 · 4 terms
Term #3 of the Conway climb · Base 31 sequence of 14 · 13 terms
Term #1 of the Distinct-prime home prime · Base 8 sequence of 609 · 13 terms
Term #2 of the Distinct-prime home prime, descending · Base 2 sequence of 939 · 5 terms
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of 899 · 5 terms
Term #1 of the Second-class home prime · Base 2 sequence of 1170 · 2 terms
Term #1 of the Second-class home prime · Base 8 sequence of 1218 · 2 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '2013' --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":"2013"},"decimal":false,"detail":2}}'