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 Home prime · Base 2 sequence of 289 · 5 terms
Term #1 of the Home prime · Base 6 sequence of 1670 · 5 terms
Term #2 of the Home prime · Base 10 sequence of 170 · 9 terms
Term #1 of the Inverse home prime · Base 2 sequence of 1593 · 4 terms
Term #1 of the Inverse home prime · Base 3 sequence of 2558 · 2 terms
Term #1 of the Inverse home prime · Base 4 sequence of 1593 · 3 terms
Term #1 of the Inverse home prime · Base 8 sequence of 2891 · 72 terms
Term #1 of the Home prime · Base 12 sequence of 308 · 11 terms
Term #1 of the Home prime · Base 26 sequence of 1445 · 21 terms
Term #1 of the Home prime · Base 32 sequence of 2139 · 27 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 2208 · 2 terms
Term #1 of the Inverse home prime · Base 20 sequence of 3629 · 3 terms
Term #1 of the Inverse home prime · Base 28 sequence of 411 · 27 terms
Term #1 of the Inverse home prime · Base 30 sequence of 3683 · 24 terms
Term #2 of the Conway climb · Base 2 sequence of 561 · 4 terms
Term #1 of the Conway climb · Base 6 sequence of 1670 · 6 terms
Term #2 of the Conway climb · Base 10 sequence of 170 · 5 terms
Term #1 of the Conway climb · Base 12 sequence of 308 · 11 terms
Term #1 of the Conway climb · Base 32 sequence of 2139 · 8 terms
Term #4 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 676 · 7 terms
Term #2 of the Distinct-prime home prime · Base 2 sequence of 561 · 4 terms
Term #2 of the Distinct-prime home prime · Base 10 sequence of 170 · 4 terms
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of 3353 · 4 terms
Term #1 of the Distinct-prime home prime, descending · Base 3 sequence of 2558 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of 3353 · 29 terms
Term #1 of the Second-class home prime · Base 2 sequence of 3810 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 3683 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 3717 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 1482 · 4 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '3839' --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":"3839"},"decimal":false,"detail":2}}'