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 3 sequence of 369 · 26 terms
Term #1 of the Home prime · Base 9 sequence of 369 · 67 terms
Term #1 of the Inverse home prime · Base 2 sequence of 1851 · 4 terms
Term #1 of the Inverse home prime · Base 3 sequence of 1646 · 6 terms
Term #1 of the Inverse home prime · Base 4 sequence of 1851 · 8 terms
Term #2 of the Home prime · Base 12 sequence of 206 · 84 terms
Term #1 of the Home prime · Base 26 sequence of 1329 · 14 terms
Term #1 of the Home prime · Base 33 sequence of 586 · 4 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 1608 · 2 terms
Term #1 of the Inverse home prime · Base 18 sequence of 685 · 3 terms
Term #1 of the Conway climb · Base 3 sequence of 1107 · 2 terms
Term #1 of the Conway climb · Base 9 sequence of 1107 · 6 terms
Term #1 of the Conway climb · Base 10 sequence of 1136 · 28 terms
Term #2 of the Conway climb · Base 12 sequence of 206 · 6 terms
Term #1 of the Conway climb · Base 22 sequence of 175 · 8 terms
Term #1 of the Conway climb · Base 26 sequence of 1329 · 5 terms
Term #1 of the Conway climb · Base 28 sequence of 567 · 7 terms
Term #1 of the Conway climb · Base 33 sequence of 586 · 8 terms
Term #1 of the Conway climb · Base 34 sequence of 368 · 7 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 1646 · 3 terms
Term #3 of the Distinct-prime home prime, descending · Base 2 sequence of 1835 · 6 terms
Term #1 of the Distinct-prime home prime, descending · Base 3 sequence of 1646 · 2 terms
Term #1 of the Second-class home prime · Base 3 sequence of 738 · 2 terms
Term #3 of the Mid-divisor concatenation · Base 2 sequence of 870 · 11 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 1230 · 20 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 1482 · 9 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 1704 · 18 terms
Term #2 of the Mid-divisor concatenation · Base 16 sequence of 1115 · 9 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '2471' --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":"2471"},"decimal":false,"detail":2}}'