Prime Numbers
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Numbers
Compare 11 vs 67
Compare 11 vs 67
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Property
11
67
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
11
1
67
1
Prime factorization
11
67
Divisors count
2
2
Divisors
1
,
11
1
,
67
Number of properties
36
17
Additive primes
5th
12th
Centered decagonal primes
1st
Chen primes
5th
17th
Class 1+ primes
5th
Cousin primes
(1st member)
7th
Cousin primes
(2nd member)
2nd
Dihedral primes
3rd
Good primes
2nd
9th
Harmonic primes
6th
Isolated primes
6th
Left-truncatable primes
12th
Lucas primes
4th
Lucky primes
7th
Mills primes
2nd
Palindromic primes
5th
Pierpont primes of the 2nd kind
5th
Primes
5th
19th
Prime quadruplets
(1st member)
2nd
Prime quadruplets
(3rd member)
1st
Prime quintuplet 1s
(2nd member)
1st
Prime quintuplet 2s
(1st member)
2nd
Prime quintuplet 2s
(3rd member)
1st
Prime sextuplets
(2nd member)
1st
Prime triplets
(1st member)
3rd
8th
Prime triplets
(2nd member)
2nd
Prime triplets
(3rd member)
1st
Safe primes
3rd
Sexy primes
(1st member)
3rd
13th
Sexy primes
(2nd member)
1st
12th
Sexy prime quadrupletss
(1st member)
2nd
Sexy prime quadrupletss
(2nd member)
1st
4th
Sexy prime triplets
(1st member)
3rd
9th
Sexy prime triplets
(2nd member)
1st
8th
Solinas primes
4th
16th
Sophie germain primes
4th
Super primes
3rd
8th
Thabit primes
3rd
Twin primes
(1st member)
3rd
Ulam primes
3rd
Wagstaff primes
2nd
Wedderburn-etherington primes
3rd
Roman numberals
XI
LXVII
Base 2
1011
2
1000011
2
Base 3
102
3
2111
3
Base 4
23
4
1003
4
Base 5
21
5
232
5
Base 6
15
6
151
6
Base 7
14
7
124
7
Base 8
13
8
103
8
Base 9
12
9
74
9
Base 10
11
10
67
10
Base 11
10
11
61
11
Base 12
b
12
57
12
Base 13
b
13
52
13
Base 14
b
14
4b
14
Base 15
b
15
47
15
Base 16
b
16
43
16
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