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
1198
Term #1 of the Home prime · Base 4 sequence of
140
Term #1 of the Home prime · Base 10 sequence of
1294
Term #2 of the Inverse home prime · Base 2 sequence of
1281
Term #1 of the Inverse home prime · Base 4 sequence of
615
Term #1 of the Inverse home prime · Base 6 sequence of
1387
Term #1 of the Inverse home prime · Base 8 sequence of
943
Term #2 of the Home prime · Base 22 sequence of
182
Term #1 of the Home prime · Base 26 sequence of
1857
Term #1 of the Home prime · Base 32 sequence of
1198
Term #1 of the Home prime · Base 35 sequence of
394
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
2634
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
2392
Term #1 of the Inverse home prime · Base 15 sequence of
847
Term #1 of the Inverse home prime · Base 36 sequence of
1387
Term #1 of the Conway climb · Base 2 sequence of
1198
Term #1 of the Conway climb · Base 4 sequence of
140
Term #1 of the Conway climb · Base 10 sequence of
1294
Term #2 of the Conway climb · Base 22 sequence of
182
Term #1 of the Conway climb · Base 26 sequence of
1857
Term #1 of the Conway climb · Base 32 sequence of
1198
Term #1 of the Conway climb · Base 35 sequence of
394
Term #2 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
1281
Term #1 of the Distinct-prime home prime · Base 2 sequence of
1198
Term #1 of the Distinct-prime home prime · Base 10 sequence of
1294
Term #2 of the Distinct-prime home prime, descending · Base 2 sequence of
1281
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of
943
Term #1 of the Second-class home prime · Base 2 sequence of
2396
Term #2 of the Second-class home prime · Base 3 sequence of
1276
Term #1 of the Second-class home prime · Base 10 sequence of
2588
Term #3 of the Second-class home prime · Base 16 sequence of
1324
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
1198
Term #2 of the Mid-divisor concatenation · Base 10 sequence of
264
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '2647' --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":"2647"},"decimal":false,"detail":2}}'