Prime Numbers
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Numbers
Compare 47 vs 101
Compare 47 vs 101
Compare
vs
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Property
47
101
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
47
1
101
1
Prime factorization
47
101
Divisors count
2
2
Divisors
1
,
47
1
,
101
Number of properties
21
18
Additive primes
10th
15th
Carol primes
2nd
Centered decagonal primes
4th
Chen primes
14th
21st
Class 1+ primes
9th
Cousin primes
(2nd member)
6th
9th
Dihedral primes
4th
Good primes
12th
Isolated primes
4th
Left-truncatable primes
10th
Long primes
6th
Lucas primes
6th
Palindromic primes
6th
Pierpont primes of the 2nd kind
9th
Primes
15th
26th
Prime quadruplets
(1st member)
3rd
Prime quintuplet 1s
(2nd member)
2nd
Prime quintuplet 2s
(1st member)
3rd
Prime sextuplets
(2nd member)
2nd
Prime triplets
(1st member)
10th
Prime triplets
(2nd member)
9th
Prime triplets
(3rd member)
7th
Pythagorean primes
12th
Safe primes
5th
Sexy primes
(1st member)
10th
17th
Sexy primes
(2nd member)
9th
Sexy prime quadrupletss
(2nd member)
3rd
Sexy prime triplets
(1st member)
7th
11th
Sexy prime triplets
(2nd member)
6th
Solinas primes
13th
Thabit primes
5th
Twin primes
(1st member)
9th
Ulam primes
5th
Roman numberals
XLVII
CI
Base 2
101111
2
1100101
2
Base 3
1202
3
10202
3
Base 4
233
4
1211
4
Base 5
142
5
401
5
Base 6
115
6
245
6
Base 7
65
7
203
7
Base 8
57
8
145
8
Base 9
52
9
122
9
Base 10
47
10
101
10
Base 11
43
11
92
11
Base 12
3b
12
85
12
Base 13
38
13
7a
13
Base 14
35
14
73
14
Base 15
32
15
6b
15
Base 16
2f
16
65
16
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