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 3 digits
↪
Term #3 of the aliquot sequence of 318 · 34 terms
Term #1 of the Inverse home prime · Base 7 sequence of 77 · 32 terms
Term #1 of the Home prime · Base 16 sequence of 8 · 4 terms
Term #1 of the Home prime · Base 31 sequence of 323 · 5 terms
Term #3 of the Aliquot variants · Unitary · σ*(n) − n sequence of 318 · 30 terms
Term #6 of the Aliquot variants · Bi-unitary · σ**(n) − n sequence of 246 · 524 terms
Term #6 of the Aliquot variants · Infinitary · σ∞(n) − n sequence of 246 · 33 terms
Term #1 of the Inverse home prime · Base 16 sequence of 8 · 17 terms
Term #1 of the Inverse home prime · Base 23 sequence of 391 · 15 terms
Term #1 of the Inverse home prime · Base 32 sequence of 34 · 16 terms
Term #1 of the Conway climb · Base 31 sequence of 323 · 5 terms
Term #1 of the Conway climb · Base 32 sequence of 289 · 14 terms
Term #1 of the Second-class home prime · Base 16 sequence of 16 · 4 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '546' --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":"546"},"decimal":false,"detail":2}}'