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 5 digits
↪
Term #1 of the aliquot sequence of 806497 · 2 terms
Term #3 of the Home prime · Base 3 sequence of 1228 · 4 terms
Term #2 of the Inverse home prime · Base 9 sequence of 8197 · 3 terms
Term #1 of the Home prime · Base 12 sequence of 2490 · 2 terms
Term #1 of the Home prime · Base 14 sequence of 13787 · 2 terms
Term #1 of the Home prime · Base 20 sequence of 37295 · 2 terms
Term #1 of the Home prime · Base 24 sequence of 17961 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 16186 · 2 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 47404 · 2 terms
Term #1 of the Inverse home prime · Base 14 sequence of 44057 · 2 terms
Term #1 of the Inverse home prime · Base 32 sequence of 4449 · 2 terms
Term #1 of the Inverse home prime · Base 33 sequence of 4085 · 2 terms
Term #3 of the Conway climb · Base 3 sequence of 1228 · 4 terms
Term #1 of the Conway climb · Base 12 sequence of 2490 · 2 terms
Term #1 of the Conway climb · Base 14 sequence of 13787 · 2 terms
Term #1 of the Conway climb · Base 20 sequence of 37295 · 2 terms
Term #1 of the Conway climb · Base 24 sequence of 17961 · 2 terms
Term #1 of the Conway climb · Base 27 sequence of 16186 · 2 terms
Term #1 of the Conway climb · Base 28 sequence of 6704 · 2 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 22580 · 2 terms
Term #2 of the Distinct-prime home prime · Base 3 sequence of 4958 · 3 terms
Term #1 of the Second-class home prime · Base 3 sequence of 32372 · 2 terms
Term #2 of the Second-class home prime · Base 8 sequence of 33248 · 3 terms
Term #6 of the Second-class home prime · Base 10 sequence of 23926 · 7 terms
Term #2 of the Second-class home prime · Base 16 sequence of 30770 · 3 terms
Term #4 of the Mid-divisor concatenation · Base 3 sequence of 807 · 5 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 29836 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '47459' --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":"47459"},"decimal":false,"detail":2}}'