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 255275 · 2 terms
Term #1 of the Home prime · Base 2 sequence of 29073 · 2 terms
Term #1 of the Home prime · Base 4 sequence of 15933 · 2 terms
Term #2 of the Inverse home prime · Base 4 sequence of 11367 · 3 terms
Term #1 of the Inverse home prime · Base 10 sequence of 12383 · 2 terms
Term #1 of the Home prime · Base 20 sequence of 8827 · 2 terms
Term #1 of the Home prime · Base 25 sequence of 3243 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 549 · 2 terms
Term #1 of the Home prime · Base 28 sequence of 34786 · 2 terms
Term #1 of the Home prime · Base 30 sequence of 14594 · 2 terms
Term #1 of the Home prime · Base 32 sequence of 51979 · 2 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 52506 · 2 terms
Term #1 of the Inverse home prime · Base 16 sequence of 27007 · 2 terms
Term #1 of the Conway climb · Base 2 sequence of 11781 · 2 terms
Term #1 of the Conway climb · Base 4 sequence of 15933 · 2 terms
Term #1 of the Conway climb · Base 20 sequence of 8827 · 2 terms
Term #1 of the Conway climb · Base 25 sequence of 3243 · 2 terms
Term #1 of the Conway climb · Base 27 sequence of 1647 · 2 terms
Term #1 of the Conway climb · Base 28 sequence of 34786 · 2 terms
Term #1 of the Conway climb · Base 30 sequence of 5376 · 2 terms
Term #1 of the Conway climb · Base 32 sequence of 51979 · 2 terms
Term #8 of the Distinct-prime home prime · Base 2 sequence of 13289 · 9 terms
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of 12383 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 16 sequence of 27007 · 2 terms
Term #1 of the Second-class home prime · Base 2 sequence of 58146 · 2 terms
Term #2 of the Mid-divisor concatenation · Base 2 sequence of 26967 · 3 terms
Term #2 of the Mid-divisor concatenation · Base 10 sequence of 6314 · 3 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '61297' --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":"61297"},"decimal":false,"detail":2}}'