208 = 1 + 2 × 3 + 45 + 67 + 89
208 = 9 × 8 + 76 + 54 + 3 + 2 + 1
208 = 0^7 + 1^9 − 2^5 − 3^8 + 4^6 + 5^1 + 6^3 + 7^4 + 8^0 + 9^2
208 = 8^2 + 12^2
208 divides 25^2 - 1.
208 = (1 + 1) × (111 − 1) − 11 − 1
208 = 222 − 2(2+2) + 2
208 = (3 + 3)3 − 3 × 3 + 3/3
208 = 4 × (44 + 4 + 4)
208 = (55 − 5)/(5 + 5 + 5)
208 = 6 × 6 × 6 − 6 − (6 + 6)/6
208 = 7 × (7 + 7) + (777 − 7)/7
208 = 88 + 8 × (8 + 8) − 8
208 = 99 + 99 + 9 + 9/9
a(n) = n*(n+3), n = 13
Number k such that k^8 + 1 is prime
Number k such that (16*10^k - 31)/3 is prime.
Factors: 1, 2, 4, 8, 13, 16, 26, 52, 104, 208
Two hundred eight
Representations, Binary to Hexadecimal:
11010000_2
21201_3
3100_4
1313_5
544_6
415_7
320_8
251_9
17a_11
154_12
130_13
10c_14
dd_15
d0_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics

