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.

P · Proven prime
below threshold 6 digits
↪
Term #1 of the aliquot sequence of 578347 · 2 terms
Term #1 of the Home prime · Base 3 sequence of 41247 · 2 terms
Term #1 of the Home prime · Base 5 sequence of 55652 · 2 terms
Term #1 of the Home prime · Base 9 sequence of 41247 · 2 terms
Term #1 of the Inverse home prime · Base 7 sequence of 21414 · 2 terms
Term #1 of the Home prime · Base 26 sequence of 77561 · 2 terms
Term #2 of the Home prime · Base 30 sequence of 23267 · 3 terms
Term #2 of the Inverse home prime · Base 30 sequence of 8777 · 3 terms
Term #1 of the Conway climb · Base 5 sequence of 55652 · 2 terms
Term #1 of the Conway climb · Base 30 sequence of 86891 · 2 terms
Term #2 of the Conway climb · Base 34 sequence of 53139 · 3 terms
Term #1 of the Second-class home prime · Base 3 sequence of 82494 · 2 terms
Term #3 of the Mid-divisor concatenation · Base 8 sequence of 4249 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 83013 · 2 terms
Term #4 of the Mid-divisor concatenation · Base 16 sequence of 7266 · 5 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '201413' --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":"201413"},"decimal":false,"detail":2}}'