Prime Numbers
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Numbers
Compare 11 vs 13
Compare 11 vs 13
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vs
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Property
11
13
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
11
^{1}
13
^{1}
Prime factorization
11
13
Divisors count
2
2
Divisors
1
,
11
1
,
13
Number of properties
36
32
Additive primes
5th
Centered decagonal primes
1st
Centered square primes
2nd
Chen primes
5th
6th
Class 1+ primes
5th
Cousin primes
(2nd member)
2nd
Cousin primes
(1st member)
3rd
Cuban primes 2
1st
Dihedral primes
3rd
Emirps
1st
Fibonacci primes
4th
Good primes
2nd
Happy primes
2nd
Harmonic primes
2nd
Left-truncatable primes
5th
Lucas primes
4th
Lucky primes
3rd
Mills primes
2nd
Multiplicative primes
5th
Palindromic primes
5th
Pierpont primes
5th
Pierpont primes of the 2nd kind
5th
Primes
5th
6th
Prime quadruplets
(1st member)
2nd
Prime quadruplets
(2nd member)
2nd
Prime quadruplets
(3rd member)
1st
Prime quadruplets
(4th member)
1st
Prime quintuplet 1s
(2nd member)
1st
Prime quintuplet 1s
(3rd member)
1st
Prime quintuplet 2s
(1st member)
2nd
Prime quintuplet 2s
(3rd member)
1st
Prime quintuplet 2s
(2nd member)
2nd
Prime quintuplet 2s
(4th member)
1st
Prime sextuplets
(2nd member)
1st
Prime sextuplets
(3rd member)
1st
Prime triplets
(1st member)
3rd
4th
Prime triplets
(2nd member)
2nd
3rd
Prime triplets
(3rd member)
1st
2nd
Proth primes
3rd
Pythagorean primes
2nd
Safe primes
3rd
Sexy primes
(1st member)
3rd
4th
Sexy primes
(2nd member)
1st
2nd
Sexy prime quadrupletss
(1st member)
2nd
Sexy prime quadrupletss
(2nd member)
1st
Sexy prime triplets
(1st member)
3rd
Sexy prime triplets
(2nd member)
1st
2nd
Solinas primes
4th
5th
Sophie germain primes
4th
Super primes
3rd
Thabit primes
3rd
Thabit primes of the 2nd kind
2nd
Twin primes
(1st member)
3rd
Twin primes
(2nd member)
3rd
Ulam primes
3rd
4th
Wagstaff primes
2nd
Wedderburn-etherington primes
3rd
Wilson primes
2nd
Roman numberals
XI
XIII
Base 2
1011
_{2}
1101
_{2}
Base 3
102
_{3}
111
_{3}
Base 4
23
_{4}
31
_{4}
Base 5
21
_{5}
23
_{5}
Base 6
15
_{6}
21
_{6}
Base 7
14
_{7}
16
_{7}
Base 8
13
_{8}
15
_{8}
Base 9
12
_{9}
14
_{9}
Base 10
11
_{10}
13
_{10}
Base 11
10
_{11}
12
_{11}
Base 12
b
_{12}
11
_{12}
Base 13
b
_{13}
10
_{13}
Base 14
b
_{14}
d
_{14}
Base 15
b
_{15}
d
_{15}
Base 16
b
_{16}
d
_{16}
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