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 150987 · 2 terms
Term #1 of the Inverse home prime · Base 10 sequence of 4527 · 2 terms
Term #1 of the Home prime · Base 12 sequence of 17722 · 2 terms
Term #1 of the Home prime · Base 24 sequence of 26583 · 2 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 50322 · 2 terms
Term #2 of the Inverse home prime · Base 22 sequence of 4539 · 3 terms
Term #1 of the Inverse home prime · Base 35 sequence of 369 · 2 terms
Term #1 of the Conway climb · Base 5 sequence of 6225 · 2 terms
Term #1 of the Conway climb · Base 12 sequence of 17722 · 2 terms
Term #1 of the Conway climb · Base 24 sequence of 26583 · 2 terms
Term #1 of the Conway climb · Base 28 sequence of 21760 · 2 terms
Term #2 of the Second-class home prime · Base 10 sequence of 21390 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 28344 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 14172 · 2 terms
Term #2 of the Mid-divisor concatenation · Base 16 sequence of 5060 · 3 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '50333' --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":"50333"},"decimal":false,"detail":2}}'