137

This number is a prime.

Just showing those entries submitted by 'Homewood': (Click here to show all)

1^1 + 3^3 + 7^7 + 137^2 +/- 1 and 1^1 + 3^3 + 7^7 - 137^2 + 1 are all prime. [Homewood]

If A=1, B=2, C=3, ... , Z=26, then 'STERN PRIME' is a Stern prime. [Homewood]

The highest speed limit in the USA is 137 km/h and can be found only on Texas State Highway 130, a toll road that bypasses the Austin metropolitan area for long-distance traffic. [Homewood]