factordbrpc · fdb
Sign in

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 433097 · 2 terms
Term #2 of the Home prime · Base 6 sequence of 32845 · 3 terms
Term #2 of the Inverse home prime · Base 2 sequence of 12419 · 3 terms
Term #1 of the Inverse home prime · Base 4 sequence of 18557 · 2 terms
Term #1 of the Home prime · Base 12 sequence of 30778 · 2 terms
Term #2 of the Home prime · Base 20 sequence of 5765 · 3 terms
Term #1 of the Home prime · Base 26 sequence of 27453 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 5787 · 2 terms
Term #1 of the Home prime · Base 30 sequence of 15758 · 2 terms
Term #1 of the Home prime · Base 31 sequence of 4594 · 2 terms
Term #1 of the Home prime · Base 36 sequence of 45449 · 2 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 41706 · 2 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 33880 · 2 terms
Term #1 of the Inverse home prime · Base 16 sequence of 18557 · 2 terms
Term #2 of the Inverse home prime · Base 32 sequence of 6149 · 3 terms
Term #2 of the Conway climb · Base 6 sequence of 32845 · 3 terms
Term #1 of the Conway climb · Base 7 sequence of 56295 · 2 terms
Term #1 of the Conway climb · Base 12 sequence of 30778 · 2 terms
Term #2 of the Conway climb · Base 20 sequence of 5765 · 3 terms
Term #1 of the Conway climb · Base 26 sequence of 27453 · 2 terms
Term #1 of the Conway climb · Base 27 sequence of 17361 · 2 terms
Term #1 of the Conway climb · Base 30 sequence of 15758 · 2 terms
Term #1 of the Conway climb · Base 31 sequence of 4594 · 2 terms
Term #1 of the Conway climb · Base 36 sequence of 45449 · 2 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 35356 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of 28995 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 16 sequence of 18557 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 52680 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 54012 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 52680 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 11274 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 6585 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '61879' --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":"61879"},"decimal":false,"detail":2}}'