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 5 digits
↪
Term #2 of the Home prime · Base 3 sequence of 21134 · 16 terms
Term #2 of the Inverse home prime · Base 6 sequence of 22457 · 16 terms
Term #1 of the Home prime · Base 13 sequence of 11811 · 20 terms
Term #1 of the Home prime · Base 20 sequence of 33539 · 14 terms
Term #1 of the Home prime · Base 23 sequence of 4697 · 20 terms
Term #1 of the Home prime · Base 26 sequence of 15845 · 5 terms
Term #1 of the Home prime · Base 30 sequence of 4917 · 4 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 58710 · 2 terms
Term #1 of the Inverse home prime · Base 24 sequence of 64481 · 2 terms
Term #1 of the Inverse home prime · Base 34 sequence of 82987 · 6 terms
Term #2 of the Conway climb · Base 3 sequence of 21134 · 14 terms
Term #1 of the Conway climb · Base 8 sequence of 59968 · 2 terms
Term #2 of the Conway climb · Base 13 sequence of 2642 · 19 terms
Term #1 of the Conway climb · Base 20 sequence of 33539 · 14 terms
Term #1 of the Conway climb · Base 23 sequence of 4697 · 16 terms
Term #1 of the Conway climb · Base 26 sequence of 15845 · 14 terms
Term #1 of the Conway climb · Base 30 sequence of 4917 · 4 terms
Term #2 of the Distinct-prime home prime · Base 3 sequence of 21134 · 5 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 82456 · 9 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 80972 · 21 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 20614 · 52 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 9441 · 10 terms
Term #2 of the Mid-divisor concatenation · Base 16 sequence of 10720 · 12 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '91049' --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":"91049"},"decimal":false,"detail":2}}'