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 #13 of the aliquot sequence of 2148 · 19 terms
Term #1 of the Home prime · Base 3 sequence of 1397 · 10 terms
Term #1 of the Home prime · Base 9 sequence of 1839 · 11 terms
Term #1 of the Inverse home prime · Base 3 sequence of 1957 · 6 terms
Term #1 of the Inverse home prime · Base 11 sequence of 391 · 5 terms
Term #1 of the Home prime · Base 27 sequence of 1839 · 16 terms
Term #1 of the Home prime · Base 29 sequence of 831 · 17 terms
Term #1 of the Inverse home prime · Base 27 sequence of 1957 · 17 terms
Term #1 of the Conway climb · Base 3 sequence of 1143 · 2 terms
Term #1 of the Conway climb · Base 9 sequence of 1839 · 8 terms
Term #1 of the Conway climb · Base 27 sequence of 1839 · 5 terms
Term #1 of the Conway climb · Base 29 sequence of 831 · 4 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 2401 · 3 terms
Term #1 of the Distinct-prime home prime · Base 3 sequence of 1397 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 3 sequence of 1957 · 2 terms
Term #1 of the Second-class home prime · Base 3 sequence of 2794 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 2064 · 5 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 1397 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 2064 · 7 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '2800' --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":"2800"},"decimal":false,"detail":2}}'