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Prime Number Calculator can determine whether a given number is a prime and also compute its previous and next prime number.

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. In other words, a prime number can only be divided evenly (without any remainder) by 1 and the number itself. For example, the numbers 2, 3, 5, 7, 11, and 13 are all prime numbers.

Here are some key points about prime numbers:

2 is the smallest prime number and the only even prime number.

Every other prime number is odd.

There are infinitely many prime numbers; this fact is known as the infinitude of primes.

Prime numbers are fundamental in number theory and have various applications in cryptography and computer science.

Mass Converter supports conversions and calculations between various mass units including Metric Ton(t), Kilogram(kg), Gram(g), Milligram(mg), Microgram(μg), Troy Pound(lb t), Troy Ounce(oz t), Pennyweight(dwt), Troy Grain(grain), Long Ton(lt), Short Ton(st), Hundredweight(cwt), Hundredweight, US(cwt), Stone(st), Avoirdupois Pound(lb), Avoirdupois Ounce(oz), Dram(dr), Avoirdupois Grain(grain) and more.

Pressure Converter is an online unit transformer that supports conversions and calculations between various pressure units including Bar(bar), Pascal(Pa (= N/m²)), Kilopascal(kPa), Hectopascal(hPa), Megapascal(MPa), Millibar(mbar), Atmosphere(atm), Millimeter of Mercury(mm Hg (= Torr)), Pounds per Square Foot(lbf/ft² (= psf)), Pounds per Square Inch(lbf/in² (= psi)), Inches of Mercury(in Hg), Kilogram-force per Square Centimeter(kgf/cm²), Kilogram-force per Square Meter(kgf/m²), Millimeters of Water(mm H2O) and more.

Speed Converter is an online unit transformer that supports conversions and calculations between various speed units including Meters per Second(m/s), Kilometers per Hour(km/h), Inches per Second(in/s), Kilometers per Second(km/s), Mach(mach), Miles per Hour(mph), Speed of Light(c) and more.

Voltage Converter supports conversions and calculations between various voltage units including Kilovolt(kV), Volt(V), Millivolt(mV), Microvolt(μV), Megavolt(MV) and more.