Numbers 6200-6299

A page of the Numeropedia - the Special Encyclopedia of Numbers

[1K…) * [2K…) * [3K…) * [4K…) * [5K…) * [6K…) * [7K…) * [8K…) *  [9K…)  & [10K] & [100K]

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6,200

[EECS]  6.2K(W) is one of standard numerical values for resistors (of tolerance class 5%).

6,201

[Math.]  A pyramidal number (sum of all squares of integers from 1 to 26): 6201 = 12+22+…+252+262.

6,210

[Geology]  The length (3860 miles = 6210.7 kilometers) of the Mississippi river.

6,211

[Trivia]  The number of interstate highway bridges in the state of Texas, the most in all U.S. states. (As of 2007).

6,216

[Math.]  A triangular number (sum of all integers from 1 to 111): 6216 = 1+2+…+110+111.

[Math.]  62162 = 38,638,656.

6,219

[Math.]  Two multiples of number 6219, 6219×4 = 24,876 and 6219×5 = 31,095, use each of 10 digits 0-9 once.

6,221

[Math.]  A prime number.  6221 = 666+2222+2222+1111.

6,223

[Math.]  6223 = 666+2222+2+3333.

6,225

[Math.]  6225 = 666+2+2+5555.

6,232

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

6,237

[Math.]  The only equation of this form: 140685+62375+50275 = 141325+2205, where its largest entry is less than 20000 (found by Bob Scher, 1995).

6,249

[Math.]  Its odd powers end with 6249. Its even powers end with 0001.

6,274

[Math.]  62743 = 246,963,938,824 has its digits occurring twice.

6,296

[Math.]  62962 = 39,639,616.

6,297

[Math.]  Each ratio 31485/6297 = 5, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #5.