Prime Numbers
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Numbers
Compare 11 vs 61
Compare 11 vs 61
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vs
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Property
11
61
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
11
^{1}
61
^{1}
Prime factorization
11
61
Divisors count
2
2
Divisors
1
,
11
1
,
61
Number of properties
36
12
Additive primes
5th
11th
Centered decagonal primes
1st
3rd
Centered square primes
4th
Chen primes
5th
Class 1+ primes
5th
Cousin primes
(2nd member)
2nd
Cuban primes 1
4th
Dihedral primes
3rd
Good primes
2nd
Long primes
8th
Lucas primes
4th
Mills primes
2nd
Palindromic primes
5th
Pierpont primes of the 2nd kind
5th
Primes
5th
18th
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
Prime triplets
(2nd member)
2nd
Prime triplets
(3rd member)
1st
Pythagorean primes
8th
Safe primes
3rd
Sexy primes
(1st member)
3rd
12th
Sexy primes
(2nd member)
1st
Sexy prime quadrupletss
(1st member)
2nd
4th
Sexy prime quadrupletss
(2nd member)
1st
Sexy prime triplets
(1st member)
3rd
8th
Sexy prime triplets
(2nd member)
1st
Solinas primes
4th
15th
Sophie germain primes
4th
Super primes
3rd
Thabit primes
3rd
Twin primes
(1st member)
3rd
Twin primes
(2nd member)
7th
Ulam primes
3rd
Wagstaff primes
2nd
Wedderburn-etherington primes
3rd
Roman numberals
XI
LXI
Base 2
1011
_{2}
111101
_{2}
Base 3
102
_{3}
2021
_{3}
Base 4
23
_{4}
331
_{4}
Base 5
21
_{5}
221
_{5}
Base 6
15
_{6}
141
_{6}
Base 7
14
_{7}
115
_{7}
Base 8
13
_{8}
75
_{8}
Base 9
12
_{9}
67
_{9}
Base 10
11
_{10}
61
_{10}
Base 11
10
_{11}
56
_{11}
Base 12
b
_{12}
51
_{12}
Base 13
b
_{13}
49
_{13}
Base 14
b
_{14}
45
_{14}
Base 15
b
_{15}
41
_{15}
Base 16
b
_{16}
3d
_{16}
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