Prime Numbers
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Numbers
Compare 13 vs 47
Compare 13 vs 47
Compare
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Property
13
47
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
13
^{1}
47
^{1}
Prime factorization
13
47
Divisors count
2
2
Divisors
1
,
13
1
,
47
Number of properties
32
21
Additive primes
10th
Carol primes
2nd
Centered square primes
2nd
Chen primes
6th
14th
Class 1+ primes
9th
Cousin primes
(2nd member)
6th
Cousin primes
(1st member)
3rd
Cuban primes 2
1st
Emirps
1st
Fibonacci primes
4th
Happy primes
2nd
Harmonic primes
2nd
Isolated primes
4th
Left-truncatable primes
5th
10th
Long primes
6th
Lucas primes
6th
Lucky primes
3rd
Multiplicative primes
5th
Pierpont primes
5th
Pierpont primes of the 2nd kind
9th
Primes
6th
15th
Prime quadruplets
(2nd member)
2nd
Prime quadruplets
(4th member)
1st
Prime quintuplet 1s
(3rd member)
1st
Prime quintuplet 2s
(2nd member)
2nd
Prime quintuplet 2s
(4th member)
1st
Prime sextuplets
(3rd member)
1st
Prime triplets
(1st member)
4th
Prime triplets
(2nd member)
3rd
Prime triplets
(3rd member)
2nd
7th
Proth primes
3rd
Pythagorean primes
2nd
Safe primes
5th
Sexy primes
(1st member)
4th
10th
Sexy primes
(2nd member)
2nd
9th
Sexy prime quadrupletss
(2nd member)
3rd
Sexy prime triplets
(1st member)
7th
Sexy prime triplets
(2nd member)
2nd
6th
Solinas primes
5th
13th
Thabit primes
5th
Thabit primes of the 2nd kind
2nd
Twin primes
(2nd member)
3rd
Ulam primes
4th
5th
Wilson primes
2nd
Roman numberals
XIII
XLVII
Base 2
1101
_{2}
101111
_{2}
Base 3
111
_{3}
1202
_{3}
Base 4
31
_{4}
233
_{4}
Base 5
23
_{5}
142
_{5}
Base 6
21
_{6}
115
_{6}
Base 7
16
_{7}
65
_{7}
Base 8
15
_{8}
57
_{8}
Base 9
14
_{9}
52
_{9}
Base 10
13
_{10}
47
_{10}
Base 11
12
_{11}
43
_{11}
Base 12
11
_{12}
3b
_{12}
Base 13
10
_{13}
38
_{13}
Base 14
d
_{14}
35
_{14}
Base 15
d
_{15}
32
_{15}
Base 16
d
_{16}
2f
_{16}
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