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 #1 of the Home prime · Base 4 sequence of 48797 · 11 terms
Term #1 of the Home prime · Base 5 sequence of 54397 · 7 terms
Term #1 of the Inverse home prime · Base 2 sequence of 83633 · 3 terms
Term #1 of the Inverse home prime · Base 4 sequence of 83633 · 32 terms
Term #1 of the Home prime · Base 25 sequence of 54397 · 9 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 86660 · 2 terms
Term #1 of the Inverse home prime · Base 13 sequence of 39545 · 19 terms
Term #1 of the Inverse home prime · Base 16 sequence of 83633 · 15 terms
Term #1 of the Inverse home prime · Base 24 sequence of 3165 · 19 terms
Term #1 of the Inverse home prime · Base 26 sequence of 23395 · 8 terms
Term #1 of the Conway climb · Base 2 sequence of 62025 · 9 terms
Term #2 of the Conway climb · Base 4 sequence of 11304 · 12 terms
Term #3 of the Conway climb · Base 5 sequence of 28955 · 25 terms
Term #1 of the Conway climb · Base 25 sequence of 54397 · 15 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 68452 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of 83633 · 3 terms
Term #1 of the Distinct-prime home prime, descending · Base 16 sequence of 83633 · 15 terms
Term #5 of the Mid-divisor concatenation · Base 2 sequence of 16276 · 11 terms
Term #3 of the Mid-divisor concatenation · Base 8 sequence of 31707 · 10 terms
Term #3 of the Mid-divisor concatenation · Base 10 sequence of 11764 · 4 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '121659' --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":"121659"},"decimal":false,"detail":2}}'