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 525569 · 2 terms
Term #1 of the Home prime · Base 3 sequence of 6846 · 2 terms
Term #1 of the Home prime · Base 7 sequence of 28354 · 2 terms
Term #1 of the Inverse home prime · Base 6 sequence of 25213 · 2 terms
Term #1 of the Inverse home prime · Base 7 sequence of 1112 · 2 terms
Term #1 of the Home prime · Base 12 sequence of 5334 · 2 terms
Term #1 of the Home prime · Base 20 sequence of 18145 · 2 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 47778 · 2 terms
Term #1 of the Inverse home prime · Base 12 sequence of 42037 · 2 terms
Term #1 of the Inverse home prime · Base 20 sequence of 26279 · 2 terms
Term #1 of the Inverse home prime · Base 33 sequence of 8729 · 2 terms
Term #1 of the Inverse home prime · Base 36 sequence of 25213 · 2 terms
Term #2 of the Conway climb · Base 3 sequence of 5069 · 3 terms
Term #1 of the Conway climb · Base 7 sequence of 28354 · 2 terms
Term #1 of the Conway climb · Base 12 sequence of 5334 · 2 terms
Term #1 of the Conway climb · Base 20 sequence of 18145 · 2 terms
Term #3 of the Conway climb · Base 21 sequence of 303 · 4 terms
Term #1 of the Conway climb · Base 28 sequence of 12016 · 2 terms
Term #1 of the Distinct-prime home prime · Base 3 sequence of 6846 · 2 terms
Term #1 of the Second-class home prime · Base 3 sequence of 13692 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '47791' --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":"47791"},"decimal":false,"detail":2}}'