Prime Numbers
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Numbers
Compare 19 vs 53
Compare 19 vs 53
Compare
vs
Compare
Property
19
53
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
19
1
53
1
Prime factorization
19
53
Divisors count
2
2
Divisors
1
,
19
1
,
53
Number of properties
18
18
Centered triangular primes
1st
Chen primes
8th
15th
Class 1+ primes
10th
Cousin primes
(1st member)
4th
Cuban primes 1
2nd
Good primes
7th
Happy primes
3rd
Isolated primes
5th
Left-truncatable primes
11th
Long primes
3rd
Pierpont primes
7th
Pierpont primes of the 2nd kind
10th
Primes
8th
16th
Prime quadruplets
(4th member)
2nd
Prime quintuplet 1s
(5th member)
1st
Prime quintuplet 2s
(4th member)
2nd
Prime sextuplets
(5th member)
1st
Prime triplets
(2nd member)
5th
Prime triplets
(3rd member)
4th
Pythagorean primes
7th
Restricted right-truncatable primes
1st
Right-truncatable primes
9th
Sexy primes
(1st member)
11th
Sexy primes
(2nd member)
4th
10th
Sexy prime quadrupletss
(3rd member)
3rd
Sexy prime triplets
(2nd member)
7th
Sexy prime triplets
(3rd member)
2nd
6th
Solinas primes
7th
Sophie germain primes
8th
Twin primes
(2nd member)
4th
Two-sided primes
7th
Ulam primes
6th
Roman numberals
XIX
LIII
Base 2
10011
2
110101
2
Base 3
201
3
1222
3
Base 4
103
4
311
4
Base 5
34
5
203
5
Base 6
31
6
125
6
Base 7
25
7
104
7
Base 8
23
8
65
8
Base 9
21
9
58
9
Base 10
19
10
53
10
Base 11
18
11
49
11
Base 12
17
12
45
12
Base 13
16
13
41
13
Base 14
15
14
3b
14
Base 15
14
15
38
15
Base 16
13
16
35
16
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