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 166341 · 2 terms
Term #1 of the Home prime · Base 3 sequence of 24947 · 2 terms
Term #1 of the Inverse home prime · Base 8 sequence of 33753 · 2 terms
Term #2 of the Home prime · Base 20 sequence of 12242 · 3 terms
Term #1 of the Home prime · Base 26 sequence of 10655 · 2 terms
Term #1 of the Home prime · Base 30 sequence of 27033 · 2 terms
Term #1 of the Home prime · Base 35 sequence of 8522 · 2 terms
Term #1 of the Inverse home prime · Base 18 sequence of 72851 · 2 terms
Term #1 of the Inverse home prime · Base 34 sequence of 34411 · 2 terms
Term #1 of the Conway climb · Base 3 sequence of 24947 · 2 terms
Term #1 of the Conway climb · Base 7 sequence of 27025 · 2 terms
Term #1 of the Conway climb · Base 14 sequence of 8272 · 2 terms
Term #2 of the Conway climb · Base 20 sequence of 12242 · 3 terms
Term #2 of the Conway climb · Base 26 sequence of 589 · 3 terms
Term #1 of the Conway climb · Base 30 sequence of 27033 · 2 terms
Term #1 of the Conway climb · Base 35 sequence of 8522 · 2 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 51885 · 2 terms
Term #1 of the Distinct-prime home prime · Base 3 sequence of 24947 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of 33753 · 2 terms
Term #4 of the Second-class home prime · Base 3 sequence of 4548 · 5 terms
Term #2 of the Mid-divisor concatenation · Base 2 sequence of 38981 · 3 terms
Term #2 of the Mid-divisor concatenation · Base 3 sequence of 39467 · 3 terms
Term #2 of the Mid-divisor concatenation · Base 8 sequence of 12778 · 3 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '90011' --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":"90011"},"decimal":false,"detail":2}}'