Prime Numbers
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Numbers
Compare 61 vs 97
Compare 61 vs 97
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Property
61
97
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
61
1
97
1
Prime factorization
61
97
Divisors count
2
2
Divisors
1
,
61
1
,
97
Number of properties
12
20
Additive primes
11th
Centered decagonal primes
3rd
Centered square primes
4th
Cousin primes
(1st member)
9th
Cuban primes 1
4th
Emirps
8th
Good primes
11th
Happy primes
7th
Isolated primes
10th
Left-truncatable primes
15th
Long primes
8th
9th
Pierpont primes
10th
Primes
18th
25th
Prime quintuplet 1s
(1st member)
2nd
Prime sextuplets
(1st member)
2nd
Prime triplets
(1st member)
9th
Proth primes
6th
Pythagorean primes
8th
11th
Quartan primes
3rd
Sexy primes
(1st member)
12th
16th
Sexy prime quadrupletss
(1st member)
4th
Sexy prime triplets
(1st member)
8th
10th
Solinas primes
15th
20th
Thabit primes of the 2nd kind
3rd
Twin primes
(2nd member)
7th
Ulam primes
7th
Roman numberals
LXI
XCVII
Base 2
111101
2
1100001
2
Base 3
2021
3
10121
3
Base 4
331
4
1201
4
Base 5
221
5
342
5
Base 6
141
6
241
6
Base 7
115
7
166
7
Base 8
75
8
141
8
Base 9
67
9
117
9
Base 10
61
10
97
10
Base 11
56
11
89
11
Base 12
51
12
81
12
Base 13
49
13
76
13
Base 14
45
14
6d
14
Base 15
41
15
67
15
Base 16
3d
16
61
16
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