6,300

[Math.]  Sum (in degrees) of all internal angles of a 37-side polygon.

 

6,327

[Math.]  Two consecutive sums of consecutive numbers:

324+325+…+342 = 343+344+…+360 = 6327.

 

6,328

[Math.]  A triangular number (sum of all integers from 1 to 112): 6328 = 1+2+…+111+112.

 

6,331

[Math.]  The 6331st prime number is 63,131.

 

6,337

[Math.]  A prime number.  The 6347th prime number is 63347.

 

6,350.29

[Measure]  British imperial units for weight measures: 1 stone = 14 lb (pounds) = 224 oz (ounces) = 3584 drams = 98,000 grains = 6350.29318 g (grams) & 1 grain = 64.79891 mg (milligrams) & 1 ounce = 16 drams = 437.5 grains & 1 dram = 2711/32 grains.

 

 

6,357, 6,371 & 6,378

[Geology]  The mean radius (miles) of the Earth is 3959 miles (6371 km).

The equatorial radius of the Earth is 3963 miles (6378 km).

The polar radius of the Earth is 3950 miles (6357 km).

 

6,361

[Math.]  A prime number, formed by 2 consecutive odd numbers. As is 6163.

 

6,368

[Math.]  A pair of amicable numbers (6232, 6368).

 

6,374

[Math.]  Two multiples of number 6374, 6374×4 = 25,496 and 6374×5 = 31,870, use each of 10 digits 0-9 once.

 

6,375

[Math.]  63752 = 40,640,625.

 

6,381

[Math.]  Each ratio 57429/6381 = 58239/6471 = 75249/8361 = 9 using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #9.

 

06,390

[Zip]  U.S. Postal Zip Code: Fishers Island, New York 06390, is the only locality of New York state using a Connecticut ZIP Code.