82 = 1 + 2 × 3 + 45 + 6 + 7 + 8 + 9
82 = 9 + 8 + 7 + 6 × 5 + 4 + 3 + 21
82 = 0^5 − 1^8 + 2^9 + 3^7 − 4^6 + 5^3 + 6^4 + 7^2 + 8^0 + 9^1
82 = 1^2 + 9^2
82 = 1^2 + 1^2 + 4^2 + 8^2 = 1^2 + 3^2 + 6^2 + 6^2 = 1^2 + 4^2 + 4^2 + 7^2 = 2^2 + 2^2 + 5^2 + 7^2 = 4^2 + 4^2 + 5^2 + 5^2
Numbers k such that k^4 + 1 is prime.
Numbers k such that 2^k + 9 is prime (4835703278458516698824713)
Semiprime (Product of 2 Primes)
Factors: 1, 2, 41, 82
Eighty-two
Representations, Binary to Hexadecimal:
1010010_2
10001_3
1102_4
312_5
214_6
145_7
122_8
101_9
75_11
6a_12
64_13
5c_14
57_15
52_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
