factordbrpc · fdb
Sign in

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 627155 · 2 terms
Term #1 of the Home prime · Base 3 sequence of 13146 · 2 terms
Term #1 of the Home prime · Base 9 sequence of 13146 · 2 terms
Term #1 of the Inverse home prime · Base 2 sequence of 74365 · 2 terms
Term #2 of the Inverse home prime · Base 4 sequence of 41533 · 3 terms
Term #1 of the Inverse home prime · Base 7 sequence of 34751 · 2 terms
Term #2 of the Inverse home prime · Base 8 sequence of 41533 · 3 terms
Term #1 of the Home prime · Base 15 sequence of 83894 · 2 terms
Term #1 of the Home prime · Base 23 sequence of 68629 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 15337 · 2 terms
Term #1 of the Home prime · Base 35 sequence of 36201 · 2 terms
Term #1 of the Home prime · Base 36 sequence of 9687 · 2 terms
Term #1 of the Inverse home prime · Base 34 sequence of 96853 · 2 terms
Term #1 of the Conway climb · Base 3 sequence of 13146 · 2 terms
Term #1 of the Conway climb · Base 9 sequence of 13146 · 2 terms
Term #1 of the Conway climb · Base 15 sequence of 83894 · 2 terms
Term #1 of the Conway climb · Base 23 sequence of 68629 · 2 terms
Term #1 of the Conway climb · Base 35 sequence of 36201 · 2 terms
Term #1 of the Conway climb · Base 36 sequence of 9687 · 2 terms
Term #1 of the Distinct-prime home prime · Base 3 sequence of 13146 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of 74365 · 2 terms
Term #2 of the Distinct-prime home prime, descending · Base 8 sequence of 41533 · 3 terms
Term #1 of the Second-class home prime · Base 3 sequence of 26292 · 2 terms
Term #3 of the Mid-divisor concatenation · Base 2 sequence of 37415 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 61348 · 2 terms
Term #3 of the Mid-divisor concatenation · Base 8 sequence of 14426 · 4 terms
Term #2 of the Mid-divisor concatenation · Base 10 sequence of 16342 · 3 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '143197' --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":"143197"},"decimal":false,"detail":2}}'