Section: |
A. Introduction
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Dr Colin Rose
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1288 =
1294 = -(1 × 2) +
1296 =
1392 = (-(1+3)! +
1426 = -14 + (2 × 6!)
1432 = 1(-4 + 3!!)2 ...
1433 = -1 + (
1434 = (1 - 4 + 3!!)
1435 = (1×
1436 = -(1 × 4) + 3!! + 6! ...
1439 = -1 +
1440 = (1+
1441 = (1+
1442 = (1+
1443 = (1+
1444 = (1+
1445 = (1+
1446 = (1+
1447 = (1+
1448 = (1+
1449 = (1+
1463 = -1 + 4! + 6! + 3!!
1464 = 1
1573 = (1 + 5!)(7 + 3!)
1673 = -1 - 6 + 7! / 3
1679 = -16 + 7!/
1684 =
1704 =
1764 =
1944 = 1
GREEN numbers: require concatenation of digits RED numbers: factorials are not needed |