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 121345 · 2 terms
Term #1 of the Home prime · Base 2 sequence of 20795 · 2 terms
Term #2 of the Inverse home prime · Base 2 sequence of 21145 · 3 terms
Term #1 of the Inverse home prime · Base 4 sequence of 25371 · 2 terms
Term #1 of the Inverse home prime · Base 8 sequence of 39473 · 2 terms
Term #1 of the Home prime · Base 12 sequence of 764 · 2 terms
Term #2 of the Home prime · Base 18 sequence of 2323 · 3 terms
Term #1 of the Home prime · Base 20 sequence of 25595 · 2 terms
Term #1 of the Home prime · Base 26 sequence of 19934 · 2 terms
Term #1 of the Inverse home prime · Base 12 sequence of 14711 · 2 terms
Term #1 of the Inverse home prime · Base 18 sequence of 11537 · 2 terms
Term #1 of the Inverse home prime · Base 24 sequence of 43217 · 2 terms
Term #1 of the Inverse home prime · Base 32 sequence of 43679 · 2 terms
Term #1 of the Conway climb · Base 2 sequence of 20795 · 2 terms
Term #1 of the Conway climb · Base 7 sequence of 30416 · 2 terms
Term #1 of the Conway climb · Base 12 sequence of 764 · 2 terms
Term #2 of the Conway climb · Base 18 sequence of 2323 · 3 terms
Term #1 of the Conway climb · Base 20 sequence of 25595 · 2 terms
Term #1 of the Conway climb · Base 26 sequence of 19934 · 2 terms
Term #11 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 6360 · 12 terms
Term #1 of the Distinct-prime home prime · Base 2 sequence of 20795 · 2 terms
Term #2 of the Distinct-prime home prime, descending · Base 2 sequence of 21145 · 3 terms
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of 39473 · 2 terms
Term #1 of the Second-class home prime · Base 2 sequence of 41590 · 2 terms
Term #2 of the Second-class home prime · Base 3 sequence of 42024 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 20795 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 20476 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '45119' --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":"45119"},"decimal":false,"detail":2}}'