260 = 1 + 2 × 3 × 4 × 5 + 67 + 8 × 9
260 = 98 + 7 × 6 + 5 × 4 × 3 × 2 × 1
260 = 0^6 + 1^8 + 2^4 − 3^9 + 4^7 + 5^5 + 6^0 + 7^3 + 8^2 + 9^1
260 = 2^2 + 16^2 = 8^2 + 14^2
260 divides 51^2 - 1.
Moser-de Bruijn sequence: sums of distinct powers of 4
Magic Square , Numbers 1 to 64 , Sum 260
| 60 | 53 | 44 | 37 | 4 | 13 | 20 | 29 |
| 3 | 14 | 19 | 30 | 59 | 54 | 43 | 38 |
| 58 | 55 | 42 | 39 | 2 | 15 | 18 | 31 |
| 1 | 16 | 17 | 32 | 57 | 56 | 41 | 40 |
| 61 | 52 | 45 | 36 | 5 | 12 | 21 | 28 |
| 6 | 11 | 22 | 27 | 62 | 51 | 46 | 35 |
| 63 | 50 | 47 | 34 | 7 | 10 | 23 | 26 |
| 8 | 9 | 24 | 25 | 64 | 49 | 48 | 33 |
Magic Square , Numbers 1 to 64 , Sum 260 , also Magic if all numbers are replaced by their squares.
| 16 | 41 | 36 | 5 | 27 | 62 | 55 | 18 |
| 26 | 63 | 54 | 19 | 13 | 44 | 33 | 8 |
| 1 | 40 | 45 | 12 | 22 | 51 | 58 | 31 |
| 23 | 50 | 59 | 30 | 4 | 37 | 48 | 9 |
| 38 | 3 | 10 | 47 | 49 | 24 | 29 | 60 |
| 52 | 21 | 32 | 57 | 39 | 2 | 11 | 46 |
| 43 | 14 | 7 | 34 | 64 | 25 | 20 | 53 |
| 61 | 28 | 17 | 56 | 42 | 15 | 6 | 35 |
Number that is the sum of 6 positive 7th powers.
The ring of integers of the field Q(sqrt(-260)) has class number 8.
Factors: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260
Two hundred sixty
Representations, Binary to Hexadecimal:
100000100_2
100122_3
10010_4
2020_5
1112_6
521_7
404_8
318_9
217_11
198_12
170_13
148_14
125_15
104_16
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Undergraduate Texts in Mathematics
