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 810577 · 2 terms
Term #1 of the Home prime · Base 3 sequence of 4114 · 2 terms
Term #1 of the Inverse home prime · Base 6 sequence of 39745 · 2 terms
Term #1 of the Home prime · Base 14 sequence of 17867 · 2 terms
Term #1 of the Home prime · Base 20 sequence of 38495 · 2 terms
Term #1 of the Home prime · Base 26 sequence of 25094 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 4114 · 2 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 45668 · 2 terms
Term #1 of the Inverse home prime · Base 24 sequence of 21857 · 2 terms
Term #1 of the Conway climb · Base 3 sequence of 3366 · 2 terms
Term #1 of the Conway climb · Base 12 sequence of 3234 · 2 terms
Term #1 of the Conway climb · Base 14 sequence of 17867 · 2 terms
Term #1 of the Conway climb · Base 20 sequence of 38495 · 2 terms
Term #1 of the Conway climb · Base 21 sequence of 8875 · 2 terms
Term #1 of the Conway climb · Base 26 sequence of 25094 · 2 terms
Term #1 of the Conway climb · Base 28 sequence of 10544 · 2 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 39745 · 2 terms
Term #1 of the Second-class home prime · Base 3 sequence of 8228 · 2 terms
Term #2 of the Second-class home prime · Base 16 sequence of 7320 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 30796 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '47699' --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":"47699"},"decimal":false,"detail":2}}'