Prime Numbers
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Numbers
Compare 11 vs 191
Compare 11 vs 191
Compare
vs
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Property
11
191
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
11
^{1}
191
^{1}
Prime factorization
11
191
Divisors count
2
2
Divisors
1
,
11
1
,
191
Number of properties
36
16
Additive primes
5th
24th
Centered decagonal primes
1st
Chen primes
5th
34th
Class 1+ primes
5th
14th
Cousin primes
(2nd member)
2nd
Dihedral primes
3rd
Good primes
2nd
16th
Harmonic primes
15th
Lucas primes
4th
Mills primes
2nd
Palindromic primes
5th
10th
Pierpont primes of the 2nd kind
5th
14th
Primes
5th
43rd
Prime quadruplets
(1st member)
2nd
4th
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
13th
Prime triplets
(2nd member)
2nd
Prime triplets
(3rd member)
1st
Safe primes
3rd
Sexy primes
(1st member)
3rd
25th
Sexy primes
(2nd member)
1st
Sexy prime quadrupletss
(1st member)
2nd
Sexy prime quadrupletss
(2nd member)
1st
Sexy prime triplets
(1st member)
3rd
Sexy prime triplets
(2nd member)
1st
Solinas primes
4th
25th
Sophie germain primes
4th
15th
Super primes
3rd
14th
Thabit primes
3rd
6th
Twin primes
(1st member)
3rd
14th
Ulam primes
3rd
Wagstaff primes
2nd
Wedderburn-etherington primes
3rd
Roman numberals
XI
CXCI
Base 2
1011
_{2}
10111111
_{2}
Base 3
102
_{3}
21002
_{3}
Base 4
23
_{4}
2333
_{4}
Base 5
21
_{5}
1231
_{5}
Base 6
15
_{6}
515
_{6}
Base 7
14
_{7}
362
_{7}
Base 8
13
_{8}
277
_{8}
Base 9
12
_{9}
232
_{9}
Base 10
11
_{10}
191
_{10}
Base 11
10
_{11}
164
_{11}
Base 12
b
_{12}
13b
_{12}
Base 13
b
_{13}
119
_{13}
Base 14
b
_{14}
d9
_{14}
Base 15
b
_{15}
cb
_{15}
Base 16
b
_{16}
bf
_{16}
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