Prime Numbers
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Numbers
Compare 17 vs 257
Compare 17 vs 257
Compare
vs
Compare
Property
17
257
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
17
^{1}
257
^{1}
Prime factorization
17
257
Divisors count
2
2
Divisors
1
,
17
1
,
257
Number of properties
36
16
Chen primes
7th
42nd
Class 1+ primes
6th
Cousin primes
(2nd member)
3rd
Emirps
2nd
Fermat primes
3rd
4th
Genocchi primes
1st
Good primes
3rd
20th
Harmonic primes
3rd
Isolated primes
22nd
Left-truncatable primes
6th
Leyland primes
2nd
Long primes
2nd
21st
Multiplicative primes
6th
Pierpont primes
6th
14th
Pierpont primes of the 2nd kind
6th
Primes
7th
55th
Prime quadruplets
(3rd member)
2nd
Prime quintuplet 1s
(4th member)
1st
Prime quintuplet 2s
(3rd member)
2nd
Prime quintuplet 2s
(5th member)
1st
Prime sextuplets
(4th member)
1st
Prime triplets
(1st member)
5th
Prime triplets
(2nd member)
4th
Prime triplets
(3rd member)
3rd
Proth primes
4th
10th
Pythagorean primes
3rd
25th
Quartan primes
2nd
4th
Sexy primes
(1st member)
5th
31st
Sexy primes
(2nd member)
3rd
30th
Sexy prime quadrupletss
(2nd member)
2nd
5th
Sexy prime quadrupletss
(3rd member)
1st
Sexy prime triplets
(1st member)
4th
16th
Sexy prime triplets
(2nd member)
3rd
15th
Sexy prime triplets
(3rd member)
1st
Solinas primes
6th
31st
Super primes
4th
Twin primes
(1st member)
4th
Roman numberals
XVII
CCLVII
Base 2
10001
_{2}
100000001
_{2}
Base 3
122
_{3}
100112
_{3}
Base 4
101
_{4}
10001
_{4}
Base 5
32
_{5}
2012
_{5}
Base 6
25
_{6}
1105
_{6}
Base 7
23
_{7}
515
_{7}
Base 8
21
_{8}
401
_{8}
Base 9
18
_{9}
315
_{9}
Base 10
17
_{10}
257
_{10}
Base 11
16
_{11}
214
_{11}
Base 12
15
_{12}
195
_{12}
Base 13
14
_{13}
16a
_{13}
Base 14
13
_{14}
145
_{14}
Base 15
12
_{15}
122
_{15}
Base 16
11
_{16}
101
_{16}
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