| Star Number |
Article Index for Star |
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Information AboutStar Number |
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1 , 13 , 37 , 73 , 121 , 181 , 253, 337, 433, 541, 661, 793, 937, 1093, 1261, 1441, 1633, 1837, 2053, 2281, 2521, 2773, 3037, 3313, 3601, 3901, 4213, 4537, 4873, 5221, 5581, 5953, 6337, 6733, 7141, 7561, 7993, 8437, 8893, 9361, 9841, 10333, 10837 The Digital Root of a star number is always 1 or 4. The last two digits of a star number in base 10 are always 01, 13, 21, 33, 37, 41, 53, 61, 73, 81, or 93. Not many star numbers are also Triangular Number s. 1 and 253 are the only two such numbers in the list given above. Not many star numbers are also square. 1 and 121 are the only two such numbers in the list given above. Square star numbers can be searched for with the Diophantine Equation All star numbers can be constructed by multiplying a triangular number by 12 and adding one. Confusingly, the term "star number" or "stellate number" is occasionally used to refer to Octagonal Number s. SEE ALSO |
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