P · Proven prime
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.
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Term #1 of the aliquot sequence of
121359
Term #1 of the Home prime · Base 2 sequence of
19449
Term #2 of the Home prime · Base 4 sequence of
760
Term #1 of the Inverse home prime · Base 2 sequence of
33779
Term #1 of the Home prime · Base 22 sequence of
25807
Term #1 of the Home prime · Base 28 sequence of
39394
Term #1 of the Home prime · Base 30 sequence of
19202
Term #1 of the Home prime · Base 31 sequence of
8038
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
27840
Term #2 of the Inverse home prime · Base 18 sequence of
23341
Term #1 of the Inverse home prime · Base 32 sequence of
33779
Term #3 of the Conway climb · Base 2 sequence of
11555
Term #2 of the Conway climb · Base 4 sequence of
6806
Term #1 of the Conway climb · Base 14 sequence of
51313
Term #1 of the Conway climb · Base 22 sequence of
25807
Term #1 of the Conway climb · Base 28 sequence of
39394
Term #1 of the Conway climb · Base 30 sequence of
19202
Term #1 of the Conway climb · Base 31 sequence of
8038
Term #8 of the Distinct-prime home prime · Base 2 sequence of
3874
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of
33779
Term #1 of the Second-class home prime · Base 2 sequence of
38898
Term #3 of the Second-class home prime · Base 16 sequence of
30420
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
20034
Term #3 of the Mid-divisor concatenation · Base 8 sequence of
5491
Term #4 of the Mid-divisor concatenation · Base 10 sequence of
5301
Term #2 of the Mid-divisor concatenation · Base 16 sequence of
20034
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '63601' --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":"63601"},"decimal":false,"detail":2}}'