Prime Numbers
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Numbers
Compare 23 vs 61
Compare 23 vs 61
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vs
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Property
23
61
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
23
^{1}
61
^{1}
Prime factorization
23
61
Divisors count
2
2
Divisors
1
,
23
1
,
61
Number of properties
30
12
Additive primes
6th
11th
Centered decagonal primes
3rd
Centered square primes
4th
Chen primes
9th
Class 1+ primes
7th
Cousin primes
(2nd member)
4th
Cuban primes 1
4th
Factorial primes
5th
Happy primes
4th
Harmonic primes
4th
Isolated primes
2nd
Kynea primes
3rd
Left-truncatable primes
7th
Long primes
4th
8th
Pierpont primes of the 2nd kind
7th
Primes
9th
18th
Prime quintuplet 2s
(5th member)
2nd
Prime sextuplets
(6th member)
1st
Prime triplets
(3rd member)
5th
Pythagorean primes
8th
Right-truncatable primes
5th
Safe primes
4th
Sexy primes
(1st member)
6th
12th
Sexy primes
(2nd member)
5th
Sexy prime quadrupletss
(4th member)
1st
Sexy prime quadrupletss
(1st member)
4th
Sexy prime quadrupletss
(3rd member)
2nd
Sexy prime triplets
(1st member)
8th
Sexy prime triplets
(2nd member)
4th
Sexy prime triplets
(3rd member)
3rd
Solinas primes
8th
15th
Sophie germain primes
5th
Thabit primes
4th
Twin primes
(2nd member)
7th
Two-sided primes
5th
Wedderburn-etherington primes
4th
Woodall primes
2nd
Roman numberals
XXIII
LXI
Base 2
10111
_{2}
111101
_{2}
Base 3
212
_{3}
2021
_{3}
Base 4
113
_{4}
331
_{4}
Base 5
43
_{5}
221
_{5}
Base 6
35
_{6}
141
_{6}
Base 7
32
_{7}
115
_{7}
Base 8
27
_{8}
75
_{8}
Base 9
25
_{9}
67
_{9}
Base 10
23
_{10}
61
_{10}
Base 11
21
_{11}
56
_{11}
Base 12
1b
_{12}
51
_{12}
Base 13
1a
_{13}
49
_{13}
Base 14
19
_{14}
45
_{14}
Base 15
18
_{15}
41
_{15}
Base 16
17
_{16}
3d
_{16}
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