1378 = 1234 + 5 + 67 + 8 × 9
1378 = (9 + 8) × 76 + 54 + 32 × 1
1378 = 0^3 + 1^7 + 2^8 − 3^9 + 4^5 + 5^6 + 6^0 + 7^2 + 8^4 + 9^1
1378 = binomial(52 + 1, 2) is the 52nd triangular number.
1378 = 3^2 + 37^2 = 17^2 + 33^2
1378 divides 83^4 - 1.
Number n which is the sum of 3 nonzero 4th powers
Number of distinct products i*j*k for 1 <= i <= j < k <= n, n = 28
Sphenic number: Product of 3 distinct Primes, (List)
Factors: 1, 2, 13, 26, 53, 106, 689, 1378
One thousand, three hundred seventy-eight
Representations, Binary to Hexadecimal:
10101100010_2
1220001_3
111202_4
21003_5
10214_6
4006_7
2542_8
1801_9
1043_11
96a_12
820_13
706_14
61d_15
562_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
