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 #2 of the Home prime · Base 2 sequence of 626 · 4 terms
Term #1 of the Home prime · Base 4 sequence of 1337 · 3 terms
Term #1 of the Home prime · Base 7 sequence of 575 · 4 terms
Term #1 of the Home prime · Base 10 sequence of 1577 · 4 terms
Term #1 of the Inverse home prime · Base 2 sequence of 1281 · 3 terms
Term #1 of the Inverse home prime · Base 7 sequence of 150 · 5 terms
Term #1 of the Home prime · Base 16 sequence of 1337 · 4 terms
Term #1 of the Home prime · Base 26 sequence of 1262 · 3 terms
Term #2 of the Home prime · Base 31 sequence of 87 · 5 terms
Term #2 of the Inverse home prime · Base 32 sequence of 177 · 24 terms
Term #2 of the Conway climb · Base 2 sequence of 626 · 3 terms
Term #1 of the Conway climb · Base 4 sequence of 1337 · 3 terms
Term #1 of the Conway climb · Base 10 sequence of 1577 · 4 terms
Term #1 of the Conway climb · Base 16 sequence of 1337 · 2 terms
Term #1 of the Conway climb · Base 26 sequence of 1262 · 3 terms
Term #3 of the Conway climb · Base 29 sequence of 1375 · 16 terms
Term #1 of the Conway climb · Base 30 sequence of 192 · 3 terms
Term #2 of the Conway climb · Base 31 sequence of 87 · 6 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 1281 · 3 terms
Term #2 of the Distinct-prime home prime · Base 2 sequence of 626 · 4 terms
Term #1 of the Distinct-prime home prime · Base 10 sequence of 1577 · 4 terms
Term #1 of the Distinct-prime home prime · Base 16 sequence of 1337 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of 1281 · 3 terms
Term #2 of the Mid-divisor concatenation · Base 2 sequence of 626 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 1577 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 1337 · 4 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '1983' --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":"1983"},"decimal":false,"detail":2}}'