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
143211
Term #1 of the Home prime · Base 2 sequence of
15006
Term #1 of the Home prime · Base 3 sequence of
4746
Term #1 of the Home prime · Base 4 sequence of
15006
Term #1 of the Home prime · Base 8 sequence of
27511
Term #1 of the Home prime · Base 11 sequence of
6231
Term #1 of the Inverse home prime · Base 3 sequence of
31826
Term #1 of the Home prime · Base 12 sequence of
12538
Term #1 of the Home prime · Base 14 sequence of
18581
Term #1 of the Home prime · Base 20 sequence of
38705
Term #1 of the Home prime · Base 24 sequence of
18807
Term #1 of the Home prime · Base 26 sequence of
25178
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
38120
Term #1 of the Inverse home prime · Base 30 sequence of
2173
Term #1 of the Conway climb · Base 2 sequence of
9918
Term #1 of the Conway climb · Base 3 sequence of
4746
Term #1 of the Conway climb · Base 4 sequence of
15006
Term #1 of the Conway climb · Base 8 sequence of
27511
Term #1 of the Conway climb · Base 11 sequence of
6231
Term #1 of the Conway climb · Base 12 sequence of
12538
Term #1 of the Conway climb · Base 14 sequence of
18581
Term #1 of the Conway climb · Base 20 sequence of
38705
Term #1 of the Conway climb · Base 21 sequence of
14125
Term #1 of the Conway climb · Base 24 sequence of
18807
Term #1 of the Conway climb · Base 26 sequence of
25178
Term #1 of the Conway climb · Base 28 sequence of
11216
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
31826
Term #1 of the Distinct-prime home prime · Base 2 sequence of
15006
Term #1 of the Distinct-prime home prime · Base 3 sequence of
4746
Term #1 of the Distinct-prime home prime · Base 8 sequence of
27511
Term #4 of the Distinct-prime home prime, descending · Base 3 sequence of
6254
Term #1 of the Second-class home prime · Base 2 sequence of
30012
Term #1 of the Second-class home prime · Base 3 sequence of
9492
Term #3 of the Second-class home prime · Base 8 sequence of
24888
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
33905
Term #2 of the Mid-divisor concatenation · Base 8 sequence of
6866
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
30964
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '47741' --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":"47741"},"decimal":false,"detail":2}}'