Isolated Primes
An isolated prime (also known as single prime or non-twin prime) is a prime number p such that neither p ā 2 nor p + 2 is prime. In other words, p is not part of a twin prime pair. For example, 23 is an isolated prime, since 21 and 25 are both composite.
First 20: 2, 23, 37, 47, 53, 67, 79, 83, 89, 97, 113, 127, 131, 157, 163, 167, 173, 211, 223, 233
Checkout list of first: 10, 50, 100, 500, 1000 isolated primes. You can also check all isolated primes.
Visualization#
Every frame counter is increased by one. If it is isolated prime then dot appears. Color has no meaning. Video has 25fps.
You can also compare it with other types.
External#
- OEIS: A007510
- Wikipedia: Isolated Primes
- Youtube: Visualization up to 1 million
Tags#
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