Prime Numbers
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Numbers
Compare 73 vs 191
Compare 73 vs 191
Compare
vs
Compare
Property
73
191
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
73
1
191
1
Prime factorization
73
191
Divisors count
2
2
Divisors
1
,
73
1
,
191
Number of properties
17
16
Additive primes
24th
Chen primes
34th
Class 1+ primes
14th
Emirps
6th
Good primes
16th
Harmonic primes
7th
15th
Left-truncatable primes
13th
Lucky primes
8th
Palindromic primes
10th
Pierpont primes
9th
Pierpont primes of the 2nd kind
14th
Primes
21st
43rd
Prime quadruplets
(1st member)
4th
Prime triplets
(1st member)
13th
Prime triplets
(3rd member)
8th
Pythagorean primes
9th
Right-truncatable primes
12th
Sexy primes
(1st member)
14th
25th
Sexy primes
(2nd member)
13th
Sexy prime quadrupletss
(3rd member)
4th
Sexy prime triplets
(2nd member)
9th
Sexy prime triplets
(3rd member)
8th
Solinas primes
18th
25th
Sophie germain primes
15th
Super primes
14th
Thabit primes
6th
Twin primes
(1st member)
14th
Twin primes
(2nd member)
8th
Two-sided primes
8th
Roman numberals
LXXIII
CXCI
Base 2
1001001
2
10111111
2
Base 3
2201
3
21002
3
Base 4
1021
4
2333
4
Base 5
243
5
1231
5
Base 6
201
6
515
6
Base 7
133
7
362
7
Base 8
111
8
277
8
Base 9
81
9
232
9
Base 10
73
10
191
10
Base 11
67
11
164
11
Base 12
61
12
13b
12
Base 13
58
13
119
13
Base 14
53
14
d9
14
Base 15
4d
15
cb
15
Base 16
49
16
bf
16
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