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 #3 of the Inverse home prime · Base 3 sequence of 145 · 6 terms
Term #1 of the Inverse home prime · Base 8 sequence of 687 · 75 terms
Term #1 of the Home prime · Base 16 sequence of 301 · 17 terms
Term #1 of the Home prime · Base 18 sequence of 935 · 3 terms
Term #2 of the Home prime · Base 22 sequence of 362 · 29 terms
Term #1 of the Home prime · Base 24 sequence of 321 · 35 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 1356 · 2 terms
Term #1 of the Inverse home prime · Base 18 sequence of 1717 · 7 terms
Term #1 of the Inverse home prime · Base 30 sequence of 305 · 27 terms
Term #1 of the Conway climb · Base 3 sequence of 848 · 5 terms
Term #1 of the Conway climb · Base 9 sequence of 848 · 23 terms
Term #1 of the Conway climb · Base 16 sequence of 301 · 8 terms
Term #1 of the Conway climb · Base 18 sequence of 935 · 3 terms
Term #2 of the Conway climb · Base 22 sequence of 362 · 13 terms
Term #1 of the Conway climb · Base 24 sequence of 321 · 22 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 1010 · 3 terms
Term #1 of the Distinct-prime home prime · Base 16 sequence of 301 · 24 terms
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of 687 · 25 terms
Term #1 of the Second-class home prime · Base 16 sequence of 602 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 1204 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 1166 · 6 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 1204 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 301 · 6 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '1835' --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":"1835"},"decimal":false,"detail":2}}'