P · Proven prime
Enter a value, an expression, or a term with a variable like 10^n+1 to list a range.
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See the expression syntax & functions reference.
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Term #1 of the Home prime · Base 2 sequence of
3505
Term #1 of the Home prime · Base 3 sequence of
2894
Term #2 of the Home prime · Base 4 sequence of
1299
Term #1 of the Home prime · Base 7 sequence of
2038
Term #1 of the Home prime · Base 10 sequence of
4105
Term #2 of the Inverse home prime · Base 2 sequence of
2147
Term #1 of the Inverse home prime · Base 3 sequence of
3479
Term #1 of the Inverse home prime · Base 8 sequence of
3635
Term #1 of the Inverse home prime · Base 9 sequence of
3479
Term #1 of the Home prime · Base 13 sequence of
2854
Term #1 of the Home prime · Base 14 sequence of
3973
Term #1 of the Home prime · Base 18 sequence of
5321
Term #2 of the Home prime · Base 32 sequence of
663
Term #1 of the Home prime · Base 33 sequence of
715
Term #1 of the Home prime · Base 34 sequence of
205
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
3588
Term #1 of the Inverse home prime · Base 18 sequence of
2023
Term #2 of the Inverse home prime · Base 26 sequence of
1379
Term #1 of the Inverse home prime · Base 32 sequence of
5249
Term #1 of the Conway climb · Base 2 sequence of
3505
Term #1 of the Conway climb · Base 3 sequence of
2894
Term #6 of the Conway climb · Base 4 sequence of
78
Term #1 of the Conway climb · Base 7 sequence of
2038
Term #1 of the Conway climb · Base 10 sequence of
4105
Term #1 of the Conway climb · Base 12 sequence of
4941
Term #1 of the Conway climb · Base 13 sequence of
2854
Term #1 of the Conway climb · Base 14 sequence of
3973
Term #1 of the Conway climb · Base 18 sequence of
5321
Term #2 of the Conway climb · Base 32 sequence of
663
Term #1 of the Conway climb · Base 33 sequence of
715
Term #1 of the Conway climb · Base 34 sequence of
205
Term #1 of the Distinct-prime home prime · Base 2 sequence of
3505
Term #2 of the Distinct-prime home prime · Base 3 sequence of
1258
Term #1 of the Distinct-prime home prime · Base 10 sequence of
4105
Term #2 of the Distinct-prime home prime, descending · Base 2 sequence of
2147
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of
3635
Term #2 of the Second-class home prime · Base 3 sequence of
2516
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
2598
Term #3 of the Mid-divisor concatenation · Base 3 sequence of
1000
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
4105
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '5821' --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":"5821"},"decimal":false,"detail":2}}'