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 aliquot sequence of
443741
Term #1 of the Home prime · Base 2 sequence of
4978
Term #1 of the Home prime · Base 4 sequence of
10873
Term #1 of the Home prime · Base 6 sequence of
11654
Term #1 of the Home prime · Base 10 sequence of
2054
Term #1 of the Inverse home prime · Base 6 sequence of
18383
Term #1 of the Home prime · Base 16 sequence of
10873
Term #1 of the Home prime · Base 20 sequence of
4654
Term #1 of the Home prime · Base 21 sequence of
5714
Term #1 of the Home prime · Base 24 sequence of
2479
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
19662
Term #2 of the Inverse home prime · Base 18 sequence of
2585
Term #1 of the Inverse home prime · Base 22 sequence of
16507
Term #1 of the Inverse home prime · Base 36 sequence of
18383
Term #1 of the Conway climb · Base 2 sequence of
4978
Term #1 of the Conway climb · Base 4 sequence of
10873
Term #1 of the Conway climb · Base 6 sequence of
8432
Term #1 of the Conway climb · Base 10 sequence of
2054
Term #1 of the Conway climb · Base 16 sequence of
10873
Term #1 of the Conway climb · Base 20 sequence of
4654
Term #1 of the Conway climb · Base 21 sequence of
5714
Term #1 of the Conway climb · Base 24 sequence of
2479
Term #1 of the Distinct-prime home prime · Base 2 sequence of
4978
Term #1 of the Distinct-prime home prime · Base 10 sequence of
2054
Term #1 of the Distinct-prime home prime · Base 16 sequence of
10873
Term #1 of the Second-class home prime · Base 2 sequence of
9956
Term #4 of the Second-class home prime · Base 3 sequence of
12330
Term #1 of the Second-class home prime · Base 10 sequence of
4108
Term #3 of the Second-class home prime · Base 16 sequence of
12940
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
10164
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
7959
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
10873
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '21379' --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":"21379"},"decimal":false,"detail":2}}'