Prime Numbers
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Numbers
Compare 47 vs 67
Compare 47 vs 67
Compare
vs
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Property
47
67
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
47
1
67
1
Prime factorization
47
67
Divisors count
2
2
Divisors
1
,
47
1
,
67
Number of properties
21
17
Additive primes
10th
12th
Carol primes
2nd
Chen primes
14th
17th
Class 1+ primes
9th
Cousin primes
(1st member)
7th
Cousin primes
(2nd member)
6th
Good primes
9th
Harmonic primes
6th
Isolated primes
4th
6th
Left-truncatable primes
10th
12th
Long primes
6th
Lucas primes
6th
Lucky primes
7th
Pierpont primes of the 2nd kind
9th
Primes
15th
19th
Prime triplets
(1st member)
8th
Prime triplets
(3rd member)
7th
Safe primes
5th
Sexy primes
(1st member)
10th
13th
Sexy primes
(2nd member)
9th
12th
Sexy prime quadrupletss
(2nd member)
3rd
4th
Sexy prime triplets
(1st member)
7th
9th
Sexy prime triplets
(2nd member)
6th
8th
Solinas primes
13th
16th
Super primes
8th
Thabit primes
5th
Ulam primes
5th
Roman numberals
XLVII
LXVII
Base 2
101111
2
1000011
2
Base 3
1202
3
2111
3
Base 4
233
4
1003
4
Base 5
142
5
232
5
Base 6
115
6
151
6
Base 7
65
7
124
7
Base 8
57
8
103
8
Base 9
52
9
74
9
Base 10
47
10
67
10
Base 11
43
11
61
11
Base 12
3b
12
57
12
Base 13
38
13
52
13
Base 14
35
14
4b
14
Base 15
32
15
47
15
Base 16
2f
16
43
16
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