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 6 digits
↪
Term #2 of the Home prime · Base 2 sequence of 9972 · 4 terms
Term #4 of the Home prime · Base 4 sequence of 1410 · 6 terms
Term #2 of the Home prime · Base 8 sequence of 19390 · 3 terms
Term #1 of the Home prime · Base 21 sequence of 82433 · 2 terms
Term #2 of the Home prime · Base 26 sequence of 452 · 23 terms
Term #1 of the Home prime · Base 28 sequence of 92515 · 8 terms
Term #1 of the Home prime · Base 29 sequence of 15085 · 19 terms
Term #1 of the Home prime · Base 32 sequence of 22881 · 11 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 86010 · 2 terms
Term #1 of the Inverse home prime · Base 26 sequence of 24665 · 11 terms
Term #2 of the Conway climb · Base 2 sequence of 19390 · 4 terms
Term #4 of the Conway climb · Base 4 sequence of 1410 · 6 terms
Term #1 of the Conway climb · Base 6 sequence of 61552 · 4 terms
Term #2 of the Conway climb · Base 8 sequence of 19390 · 3 terms
Term #1 of the Conway climb · Base 21 sequence of 82433 · 2 terms
Term #2 of the Conway climb · Base 26 sequence of 452 · 15 terms
Term #1 of the Conway climb · Base 28 sequence of 92515 · 14 terms
Term #1 of the Conway climb · Base 29 sequence of 15085 · 12 terms
Term #1 of the Conway climb · Base 32 sequence of 22881 · 5 terms
Term #2 of the Distinct-prime home prime · Base 2 sequence of 19390 · 4 terms
Term #2 of the Distinct-prime home prime · Base 8 sequence of 19390 · 3 terms
Term #3 of the Mid-divisor concatenation · Base 2 sequence of 32618 · 5 terms
Term #2 of the Mid-divisor concatenation · Base 8 sequence of 27392 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 33664 · 19 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '128263' --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":"128263"},"decimal":false,"detail":2}}'