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 5 digits
↪
Term #3 of the aliquot sequence of 14982 · 69 terms
Term #1 of the Inverse home prime · Base 5 sequence of 7145 · 31 terms
Term #1 of the Home prime · Base 31 sequence of 6401 · 13 terms
Term #4 of the Aliquot variants · Unitary · σ*(n) − n sequence of 13530 · 12 terms
Term #2 of the Aliquot variants · Coreful · s#(n) − n sequence of 28584 · 3 terms
Term #51 of the Aliquot variants · Bi-unitary · σ**(n) − n sequence of 432 · 55 terms
Term #29 of the Aliquot variants · Infinitary · σ∞(n) − n sequence of 246 · 33 terms
Term #1 of the Inverse home prime · Base 13 sequence of 14981 · 6 terms
Term #1 of the Inverse home prime · Base 23 sequence of 17083 · 11 terms
Term #1 of the Inverse home prime · Base 25 sequence of 7145 · 13 terms
Term #1 of the Conway climb · Base 31 sequence of 6401 · 15 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 20294 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 20294 · 4 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '35730' --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":"35730"},"decimal":false,"detail":2}}'