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
213685
Term #1 of the Home prime · Base 4 sequence of
7132
Term #2 of the Home prime · Base 6 sequence of
4684
Term #1 of the Home prime · Base 7 sequence of
6330
Term #1 of the Inverse home prime · Base 2 sequence of
14145
Term #1 of the Inverse home prime · Base 4 sequence of
18697
Term #1 of the Inverse home prime · Base 5 sequence of
15381
Term #1 of the Inverse home prime · Base 6 sequence of
13057
Term #1 of the Home prime · Base 26 sequence of
15182
Term #1 of the Home prime · Base 30 sequence of
20821
Term #1 of the Inverse home prime · Base 16 sequence of
18697
Term #1 of the Inverse home prime · Base 20 sequence of
6411
Term #1 of the Inverse home prime · Base 27 sequence of
3166
Term #1 of the Inverse home prime · Base 32 sequence of
21689
Term #1 of the Inverse home prime · Base 36 sequence of
13057
Term #1 of the Conway climb · Base 2 sequence of
28528
Term #1 of the Conway climb · Base 4 sequence of
7132
Term #2 of the Conway climb · Base 6 sequence of
1900
Term #2 of the Conway climb · Base 7 sequence of
3711
Term #1 of the Conway climb · Base 26 sequence of
15182
Term #1 of the Conway climb · Base 27 sequence of
4624
Term #1 of the Conway climb · Base 30 sequence of
20821
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
24615
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of
14145
Term #1 of the Distinct-prime home prime, descending · Base 16 sequence of
18697
Term #2 of the Second-class home prime · Base 8 sequence of
29526
Term #3 of the Second-class home prime · Base 16 sequence of
38092
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
35660
Term #2 of the Mid-divisor concatenation · Base 3 sequence of
16507
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
17830
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
31206
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
17830
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '42743' --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":"42743"},"decimal":false,"detail":2}}'