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 6 digits
↪
Term #1 of the aliquot sequence of 578545 · 2 terms
Term #1 of the Home prime · Base 2 sequence of 27018 · 2 terms
Term #1 of the Home prime · Base 5 sequence of 30092 · 2 terms
Term #1 of the Home prime · Base 7 sequence of 63481 · 2 terms
Term #1 of the Home prime · Base 8 sequence of 155915 · 2 terms
Term #1 of the Home prime · Base 10 sequence of 95437 · 2 terms
Term #1 of the Inverse home prime · Base 2 sequence of 50901 · 2 terms
Term #1 of the Inverse home prime · Base 6 sequence of 59587 · 2 terms
Term #2 of the Home prime · Base 14 sequence of 2045 · 3 terms
Term #1 of the Inverse home prime · Base 20 sequence of 16071 · 2 terms
Term #1 of the Inverse home prime · Base 36 sequence of 59587 · 2 terms
Term #1 of the Conway climb · Base 2 sequence of 36024 · 2 terms
Term #1 of the Conway climb · Base 4 sequence of 33336 · 2 terms
Term #1 of the Conway climb · Base 5 sequence of 30092 · 2 terms
Term #1 of the Conway climb · Base 7 sequence of 63481 · 2 terms
Term #1 of the Conway climb · Base 10 sequence of 95437 · 2 terms
Term #3 of the Conway climb · Base 14 sequence of 20 · 4 terms
Term #1 of the Distinct-prime home prime · Base 2 sequence of 52535 · 2 terms
Term #1 of the Distinct-prime home prime · Base 10 sequence of 95437 · 2 terms
Term #2 of the Distinct-prime home prime, descending · Base 2 sequence of 65765 · 3 terms
Term #1 of the Second-class home prime · Base 2 sequence of 54036 · 2 terms
Term #3 of the Mid-divisor concatenation · Base 10 sequence of 35732 · 4 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '195023' --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":"195023"},"decimal":false,"detail":2}}'