1543

1543 is a prime number.

1543 = 1111 + 55 + 44 + 333.

1543 is the sum of five positive fifth powers (A003350): 1543 = 4⁵ + 3⁵ + 3⁵ + 2⁵ + 1⁵.

1543 is the sum of 11 consecutive primes (A127338): 1543 = 109 + 113 + 127 + 131 + 137 + 139 + 149 + 151 + 157 + 163 + 167.

1543 is a prime sandwiched between two numbers (1542 and 1544) having the same number of divisors (A067889).

The Köstritzer brewery in Germany was founded in the year 1543.

Source: Prime Curios!