Prime Numbers
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Numbers
Compare 7 vs 47
Compare 7 vs 47
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vs
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Property
7
47
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
7
^{1}
47
^{1}
Prime factorization
7
47
Divisors count
2
2
Divisors
1
,
7
1
,
47
Number of properties
37
21
Additive primes
4th
10th
Carol primes
1st
2nd
Chen primes
4th
14th
Class 1+ primes
4th
9th
Cousin primes
(1st member)
2nd
Cousin primes
(2nd member)
1st
6th
Cuban primes 1
1st
Double mersenne primes
1st
Euclid primes
3rd
Factorial primes
4th
Happy primes
1st
Isolated primes
4th
Kynea primes
2nd
Left-truncatable primes
4th
10th
Long primes
1st
6th
Lucas primes
3rd
6th
Lucky primes
2nd
Mersenne primes
2nd
Multiplicative primes
4th
Palindromic primes
4th
Pierpont primes
4th
Pierpont primes of the 2nd kind
4th
9th
Primes
4th
15th
Prime quadruplets
(2nd member)
1st
Prime quintuplet 1s
(1st member)
1st
Prime quintuplet 2s
(2nd member)
1st
Prime sextuplets
(1st member)
1st
Prime triplets
(1st member)
2nd
Prime triplets
(2nd member)
1st
Prime triplets
(3rd member)
7th
Right-truncatable primes
4th
Safe primes
2nd
5th
Sexy primes
(1st member)
2nd
10th
Sexy primes
(2nd member)
9th
Sexy prime quadrupletss
(2nd member)
3rd
Sexy prime triplets
(1st member)
2nd
7th
Sexy prime triplets
(2nd member)
6th
Solinas primes
3rd
13th
Thabit primes
5th
Thabit primes of the 2nd kind
1st
Twin primes
(2nd member)
2nd
Two-sided primes
4th
Ulam primes
5th
Woodall primes
1st
Roman numberals
VII
XLVII
Base 2
111
_{2}
101111
_{2}
Base 3
21
_{3}
1202
_{3}
Base 4
13
_{4}
233
_{4}
Base 5
12
_{5}
142
_{5}
Base 6
11
_{6}
115
_{6}
Base 7
10
_{7}
65
_{7}
Base 8
7
_{8}
57
_{8}
Base 9
7
_{9}
52
_{9}
Base 10
7
_{10}
47
_{10}
Base 11
7
_{11}
43
_{11}
Base 12
7
_{12}
3b
_{12}
Base 13
7
_{13}
38
_{13}
Base 14
7
_{14}
35
_{14}
Base 15
7
_{15}
32
_{15}
Base 16
7
_{16}
2f
_{16}
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