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 #4 of the Aliquot variants · Bi-unitary · σ**(n) − n sequence of 38808 · 127 terms
Term #2 of the Aliquot variants · Infinitary · σ∞(n) − n sequence of 76728 · 12 terms
Term #1 of the Inverse home prime · Base 15 sequence of 39441 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 40976 · 42 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '197208' --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":"197208"},"decimal":false,"detail":2}}'