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 6 digits
↪
Term #1 of the aliquot sequence of 206631 · 2 terms
Term #1 of the Home prime · Base 6 sequence of 17698 · 2 terms
Term #2 of the Inverse home prime · Base 5 sequence of 8949 · 3 terms
Term #1 of the Inverse home prime · Base 6 sequence of 82273 · 2 terms
Term #1 of the Inverse home prime · Base 9 sequence of 22702 · 2 terms
Term #1 of the Inverse home prime · Base 10 sequence of 62281 · 2 terms
Term #2 of the Home prime · Base 24 sequence of 10574 · 3 terms
Term #1 of the Home prime · Base 26 sequence of 71405 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 2525 · 2 terms
Term #1 of the Home prime · Base 30 sequence of 31809 · 2 terms
Term #1 of the Home prime · Base 35 sequence of 10478 · 2 terms
Term #1 of the Home prime · Base 36 sequence of 17698 · 2 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 88352 · 2 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 59688 · 2 terms
Term #1 of the Inverse home prime · Base 12 sequence of 5015 · 2 terms
Term #2 of the Inverse home prime · Base 14 sequence of 355 · 3 terms
Term #1 of the Inverse home prime · Base 22 sequence of 7807 · 2 terms
Term #1 of the Inverse home prime · Base 25 sequence of 19723 · 2 terms
Term #1 of the Inverse home prime · Base 26 sequence of 27503 · 2 terms
Term #1 of the Inverse home prime · Base 36 sequence of 82273 · 2 terms
Term #1 of the Conway climb · Base 6 sequence of 17698 · 2 terms
Term #2 of the Conway climb · Base 24 sequence of 10574 · 3 terms
Term #1 of the Conway climb · Base 26 sequence of 71405 · 2 terms
Term #1 of the Conway climb · Base 30 sequence of 31809 · 2 terms
Term #1 of the Conway climb · Base 35 sequence of 32822 · 2 terms
Term #1 of the Conway climb · Base 36 sequence of 17698 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of 62281 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 54327 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 71714 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 54327 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 21610 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '102161' --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":"102161"},"decimal":false,"detail":2}}'