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 217045 · 2 terms
Term #3 of the Home prime · Base 2 sequence of 4953 · 4 terms
Term #1 of the Home prime · Base 3 sequence of 5538 · 2 terms
Term #1 of the Home prime · Base 4 sequence of 25246 · 2 terms
Term #1 of the Home prime · Base 9 sequence of 6461 · 2 terms
Term #1 of the Inverse home prime · Base 3 sequence of 9650 · 2 terms
Term #2 of the Inverse home prime · Base 6 sequence of 19729 · 3 terms
Term #1 of the Inverse home prime · Base 8 sequence of 17643 · 2 terms
Term #1 of the Home prime · Base 20 sequence of 21335 · 2 terms
Term #1 of the Home prime · Base 22 sequence of 9991 · 2 terms
Term #1 of the Home prime · Base 23 sequence of 28443 · 2 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 30228 · 2 terms
Term #3 of the Conway climb · Base 2 sequence of 4866 · 4 terms
Term #2 of the Conway climb · Base 3 sequence of 2469 · 3 terms
Term #1 of the Conway climb · Base 4 sequence of 25246 · 2 terms
Term #1 of the Conway climb · Base 9 sequence of 6461 · 2 terms
Term #1 of the Conway climb · Base 12 sequence of 1926 · 2 terms
Term #1 of the Conway climb · Base 20 sequence of 21335 · 2 terms
Term #1 of the Conway climb · Base 22 sequence of 9991 · 2 terms
Term #1 of the Conway climb · Base 23 sequence of 28443 · 2 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 31366 · 2 terms
Term #2 of the Distinct-prime home prime · Base 2 sequence of 17637 · 3 terms
Term #1 of the Distinct-prime home prime · Base 3 sequence of 5538 · 2 terms
Term #8 of the Distinct-prime home prime, descending · Base 3 sequence of 6305 · 9 terms
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of 17643 · 2 terms
Term #5 of the Second-class home prime · Base 2 sequence of 3584 · 6 terms
Term #1 of the Second-class home prime · Base 3 sequence of 11076 · 2 terms
Term #2 of the Second-class home prime · Base 10 sequence of 34936 · 3 terms
Term #2 of the Second-class home prime · Base 16 sequence of 5432 · 3 terms
Term #3 of the Mid-divisor concatenation · Base 2 sequence of 12610 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 37149 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '47051' --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":"47051"},"decimal":false,"detail":2}}'