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 4 digits
↪
Term #5 of the Home prime · Base 2 sequence of 57 · 6 terms
Term #2 of the Home prime · Base 3 sequence of 471 · 3 terms
Term #2 of the Home prime · Base 4 sequence of 198 · 3 terms
Term #1 of the Home prime · Base 8 sequence of 375 · 2 terms
Term #1 of the Home prime · Base 9 sequence of 886 · 2 terms
Term #1 of the Inverse home prime · Base 2 sequence of 725 · 2 terms
Term #1 of the Inverse home prime · Base 3 sequence of 294 · 2 terms
Term #1 of the Inverse home prime · Base 8 sequence of 725 · 2 terms
Term #1 of the Inverse home prime · Base 9 sequence of 422 · 2 terms
Term #2 of the Home prime · Base 12 sequence of 178 · 3 terms
Term #2 of the Home prime · Base 16 sequence of 502 · 3 terms
Term #1 of the Home prime · Base 18 sequence of 1405 · 2 terms
Term #2 of the Home prime · Base 22 sequence of 758 · 3 terms
Term #1 of the Home prime · Base 24 sequence of 519 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 886 · 2 terms
Term #1 of the Home prime · Base 30 sequence of 66 · 2 terms
Term #1 of the Inverse home prime · Base 13 sequence of 99 · 2 terms
Term #1 of the Inverse home prime · Base 24 sequence of 395 · 2 terms
Term #1 of the Inverse home prime · Base 26 sequence of 219 · 2 terms
Term #1 of the Inverse home prime · Base 32 sequence of 767 · 2 terms
Term #2 of the Conway climb · Base 2 sequence of 553 · 3 terms
Term #2 of the Conway climb · Base 3 sequence of 471 · 3 terms
Term #2 of the Conway climb · Base 4 sequence of 264 · 3 terms
Term #1 of the Conway climb · Base 9 sequence of 886 · 2 terms
Term #2 of the Conway climb · Base 12 sequence of 178 · 3 terms
Term #2 of the Conway climb · Base 16 sequence of 502 · 3 terms
Term #1 of the Conway climb · Base 18 sequence of 1405 · 2 terms
Term #2 of the Conway climb · Base 22 sequence of 758 · 3 terms
Term #1 of the Conway climb · Base 24 sequence of 519 · 2 terms
Term #1 of the Conway climb · Base 27 sequence of 886 · 2 terms
Term #3 of the Conway climb · Base 30 sequence of 16 · 4 terms
Term #3 of the Distinct-prime home prime · Base 3 sequence of 299 · 4 terms
Term #2 of the Distinct-prime home prime · Base 16 sequence of 502 · 3 terms
Term #1 of the Second-class home prime · Base 2 sequence of 750 · 2 terms
Term #2 of the Second-class home prime · Base 3 sequence of 748 · 3 terms
Term #2 of the Second-class home prime · Base 8 sequence of 404 · 3 terms
Term #1 of the Second-class home prime · Base 16 sequence of 1526 · 2 terms
Term #4 of the Mid-divisor concatenation · Base 2 sequence of 162 · 5 terms
Term #2 of the Mid-divisor concatenation · Base 3 sequence of 471 · 3 terms
Term #2 of the Mid-divisor concatenation · Base 8 sequence of 500 · 3 terms
Term #2 of the Mid-divisor concatenation · Base 16 sequence of 502 · 3 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '1901' --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":"1901"},"decimal":false,"detail":2}}'