Every Day Counts
Carol Prime Days
 
Age: 16,359 days
Date of birth

These are primes which are also Carol numbers.

Carol numbers are of the form (2n - 1)2 - 2

Carol numbers were first studied by Cletus Emmanuel, who named them after a friend, Carol G. Kirnon.

The sixth Carol prime is 1,046,527 so it's unlikely you'll ever have more than 5 Carol Prime Days. After that they go very big.

Remind me, please


Next Prime Events
Day Age
Event
Days Ahead
Year Age
20 Dec 2018
16,361
2
44
20 Dec 2018
16,361
2
44
09 Jan 2019
16,381
22
44
09 Jan 2019
16,381
22
44
09 Jan 2019
16,381
22
44
06 Oct 2019
16,651
292
45
15 Apr 2020
16,843
484
46
29 Jan 2022
17,497
1,138
47
14 Dec 2023
18,181
1,822
49
07 Apr 2027
19,391
3,032
53
04 Oct 2028
19,937
3,578
54
19 Aug 2052
28,657
12,298
78
16 Nov 2093
43,721
27,362
119
16 Apr 2107
48,619
32,260
133
10 Aug 2153
65,537
49,178
179
23 Sep 2248
100,279
83,920
274
13 Jan 2333
131,071
114,712
358
Ordinal
Day Age
Date
Age
1st
7
12 Mar 1974
0
2nd
47
21 Apr 1974
0
3rd
223
14 Oct 1974
0
4th
3,967
13 Jan 1985
10
5th
16,127
30 Apr 2018
44