Prime Numbers
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Numbers
Compare 7 vs 199
Compare 7 vs 199
Compare
vs
Compare
Property
7
199
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
7
1
199
1
Prime factorization
7
199
Divisors count
2
2
Divisors
1
,
7
1
,
199
Number of properties
37
10
Additive primes
4th
27th
Carol primes
1st
Centered triangular primes
4th
Chen primes
4th
36th
Class 1+ primes
4th
Cousin primes
(1st member)
2nd
Cousin primes
(2nd member)
1st
Cuban primes 1
1st
Double mersenne primes
1st
Emirps
15th
Euclid primes
3rd
Factorial primes
4th
Happy primes
1st
Kynea primes
2nd
Left-truncatable primes
4th
Long primes
1st
Lucas primes
3rd
7th
Lucky primes
2nd
Mersenne primes
2nd
Multiplicative primes
4th
Palindromic primes
4th
Pierpont primes
4th
Pierpont primes of the 2nd kind
4th
Primes
4th
46th
Prime quadruplets
(2nd member)
1st
Prime quadruplets
(4th member)
4th
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)
14th
Right-truncatable primes
4th
Safe primes
2nd
Sexy primes
(1st member)
2nd
Sexy primes
(2nd member)
26th
Sexy prime triplets
(1st member)
2nd
Solinas primes
3rd
Thabit primes of the 2nd kind
1st
Twin primes
(2nd member)
2nd
15th
Two-sided primes
4th
Woodall primes
1st
Roman numberals
VII
CXCIX
Base 2
111
2
11000111
2
Base 3
21
3
21101
3
Base 4
13
4
3013
4
Base 5
12
5
1244
5
Base 6
11
6
531
6
Base 7
10
7
403
7
Base 8
7
8
307
8
Base 9
7
9
241
9
Base 10
7
10
199
10
Base 11
7
11
171
11
Base 12
7
12
147
12
Base 13
7
13
124
13
Base 14
7
14
103
14
Base 15
7
15
d4
15
Base 16
7
16
c7
16
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