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 aliquot sequence of 3078 · 42 terms
Term #1 of the Home prime · Base 5 sequence of 430 · 5 terms
Term #1 of the Home prime · Base 11 sequence of 1315 · 47 terms
Term #1 of the Home prime · Base 17 sequence of 6233 · 24 terms
Term #1 of the Home prime · Base 19 sequence of 1121 · 2 terms
Term #1 of the Home prime · Base 23 sequence of 533 · 17 terms
Term #1 of the Home prime · Base 25 sequence of 473 · 15 terms
Term #1 of the Home prime · Base 31 sequence of 1337 · 6 terms
Term #2 of the Aliquot variants · Unitary · σ*(n) − n sequence of 4182 · 8 terms
Term #13 of the Aliquot variants · Bi-unitary · σ**(n) − n sequence of 1134 · 15 terms
Term #2 of the Aliquot variants · Infinitary · σ∞(n) − n sequence of 4182 · 4 terms
Term #1 of the Inverse home prime · Base 15 sequence of 1383 · 18 terms
Term #1 of the Inverse home prime · Base 19 sequence of 114 · 15 terms
Term #1 of the Inverse home prime · Base 31 sequence of 1115 · 11 terms
Term #1 of the Inverse home prime · Base 35 sequence of 4531 · 8 terms
Term #2 of the Conway climb · Base 5 sequence of 45 · 12 terms
Term #1 of the Conway climb · Base 11 sequence of 1315 · 14 terms
Term #1 of the Conway climb · Base 17 sequence of 6233 · 14 terms
Term #1 of the Conway climb · Base 19 sequence of 1121 · 6 terms
Term #1 of the Conway climb · Base 23 sequence of 533 · 9 terms
Term #1 of the Conway climb · Base 25 sequence of 473 · 13 terms
Term #1 of the Conway climb · Base 31 sequence of 1337 · 7 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '6918' --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":"6918"},"decimal":false,"detail":2}}'