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 69075 · 2 terms
Term #1 of the Home prime · Base 3 sequence of 3588 · 2 terms
Term #2 of the Home prime · Base 4 sequence of 4811 · 3 terms
Term #3 of the Home prime · Base 8 sequence of 436 · 4 terms
Term #2 of the Home prime · Base 12 sequence of 3932 · 3 terms
Term #1 of the Home prime · Base 16 sequence of 23413 · 2 terms
Term #1 of the Home prime · Base 24 sequence of 40731 · 2 terms
Term #1 of the Home prime · Base 26 sequence of 2637 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 31366 · 2 terms
Term #1 of the Home prime · Base 29 sequence of 12542 · 2 terms
Term #1 of the Home prime · Base 30 sequence of 2098 · 2 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 35670 · 2 terms
Term #1 of the Inverse home prime · Base 24 sequence of 38981 · 2 terms
Term #1 of the Inverse home prime · Base 34 sequence of 4857 · 2 terms
Term #1 of the Conway climb · Base 3 sequence of 3588 · 2 terms
Term #2 of the Conway climb · Base 4 sequence of 4811 · 3 terms
Term #1 of the Conway climb · Base 8 sequence of 23413 · 2 terms
Term #2 of the Conway climb · Base 12 sequence of 3932 · 3 terms
Term #1 of the Conway climb · Base 16 sequence of 23413 · 2 terms
Term #1 of the Conway climb · Base 24 sequence of 40731 · 2 terms
Term #1 of the Conway climb · Base 26 sequence of 7911 · 2 terms
Term #1 of the Conway climb · Base 27 sequence of 31366 · 2 terms
Term #1 of the Conway climb · Base 29 sequence of 12542 · 2 terms
Term #1 of the Conway climb · Base 30 sequence of 2098 · 2 terms
Term #6 of the Distinct-prime home prime · Base 3 sequence of 15274 · 7 terms
Term #1 of the Distinct-prime home prime · Base 8 sequence of 23413 · 2 terms
Term #1 of the Distinct-prime home prime · Base 16 sequence of 23413 · 2 terms
Term #1 of the Second-class home prime · Base 3 sequence of 7176 · 2 terms
Term #3 of the Second-class home prime · Base 8 sequence of 16650 · 4 terms
Term #2 of the Second-class home prime · Base 16 sequence of 20638 · 3 terms
Term #3 of the Mid-divisor concatenation · Base 2 sequence of 12848 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 31366 · 2 terms
Term #3 of the Mid-divisor concatenation · Base 8 sequence of 12832 · 4 terms
Term #4 of the Mid-divisor concatenation · Base 16 sequence of 1128 · 5 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '55049' --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":"55049"},"decimal":false,"detail":2}}'