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 184017 · 2 terms
Term #1 of the Home prime · Base 2 sequence of 29265 · 2 terms
Term #1 of the Home prime · Base 6 sequence of 20257 · 2 terms
Term #1 of the Inverse home prime · Base 2 sequence of 31787 · 2 terms
Term #1 of the Inverse home prime · Base 4 sequence of 34497 · 2 terms
Term #1 of the Inverse home prime · Base 6 sequence of 12925 · 2 terms
Term #2 of the Inverse home prime · Base 10 sequence of 15517 · 3 terms
Term #1 of the Home prime · Base 12 sequence of 18986 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 963 · 2 terms
Term #1 of the Home prime · Base 36 sequence of 20257 · 2 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 57890 · 2 terms
Term #2 of the Inverse home prime · Base 18 sequence of 41821 · 3 terms
Term #1 of the Inverse home prime · Base 20 sequence of 9201 · 2 terms
Term #1 of the Inverse home prime · Base 21 sequence of 556 · 2 terms
Term #3 of the Conway climb · Base 2 sequence of 16722 · 4 terms
Term #1 of the Conway climb · Base 6 sequence of 20257 · 2 terms
Term #1 of the Conway climb · Base 12 sequence of 18986 · 2 terms
Term #1 of the Conway climb · Base 27 sequence of 2889 · 2 terms
Term #1 of the Conway climb · Base 36 sequence of 20257 · 2 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 28866 · 2 terms
Term #1 of the Distinct-prime home prime · Base 2 sequence of 29265 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of 31787 · 2 terms
Term #2 of the Distinct-prime home prime, descending · Base 10 sequence of 15517 · 3 terms
Term #1 of the Second-class home prime · Base 2 sequence of 58530 · 2 terms
Term #5 of the Mid-divisor concatenation · Base 2 sequence of 10287 · 6 terms
Term #2 of the Mid-divisor concatenation · Base 8 sequence of 22368 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 20923 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '61343' --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":"61343"},"decimal":false,"detail":2}}'