# 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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