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 8 sequence of 411 · 3 terms
Term #4 of the Home prime · Base 9 sequence of 14 · 29 terms
Term #1 of the Inverse home prime · Base 3 sequence of 488 · 10 terms
Term #1 of the Inverse home prime · Base 10 sequence of 501 · 12 terms
Term #1 of the Home prime · Base 12 sequence of 979 · 3 terms
Term #1 of the Home prime · Base 18 sequence of 265 · 4 terms
Term #1 of the Home prime · Base 23 sequence of 153 · 19 terms
Term #1 of the Home prime · Base 24 sequence of 1042 · 3 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 1662 · 2 terms
Term #1 of the Inverse home prime · Base 12 sequence of 385 · 4 terms
Term #2 of the Inverse home prime · Base 20 sequence of 1007 · 4 terms
Term #1 of the Conway climb · Base 8 sequence of 411 · 3 terms
Term #2 of the Conway climb · Base 9 sequence of 160 · 24 terms
Term #1 of the Conway climb · Base 12 sequence of 979 · 3 terms
Term #1 of the Conway climb · Base 18 sequence of 265 · 4 terms
Term #1 of the Conway climb · Base 23 sequence of 459 · 17 terms
Term #1 of the Conway climb · Base 24 sequence of 1042 · 3 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 848 · 2 terms
Term #2 of the Distinct-prime home prime · Base 8 sequence of 102 · 4 terms
Term #1 of the Distinct-prime home prime, descending · Base 3 sequence of 1114 · 5 terms
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of 501 · 12 terms
Term #2 of the Second-class home prime · Base 8 sequence of 204 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 822 · 6 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 1060 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 411 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 1168 · 9 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 822 · 6 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '1673' --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":"1673"},"decimal":false,"detail":2}}'