1889

1889 is a Prime Number, Prime(290)

1889 = 1 + 2³ × 4 × 56 + 7 + 89

1889 = 98 × 7 + 6 + (54 + 3) × 21

1889 = 0^5 + 1^9 − 2^7 − 3^8 + 4^6 + 5^1 + 6^2 + 7^3 + 8^4 + 9^0

1889 = 17^2 + 40^2

1889^2 = 1311^2 + 1360^2

Prime congruent to 3 mod 41.

1889 is a Sophie Germain prime (List), since 2 × 1889 + 1 = 3779 is also prime.

1889 is an irregular prime, since it divides the numerator of the Bernoulli number B242.

Factors: 1, 1889

One thousand, eight hundred eighty-nine

Representations, Binary to Hexadecimal:

11101100001_2
2120222_3
131201_4
30024_5
12425_6
5336_7
3541_8
2528_9
1468_11
1115_12
b24_13
98d_14
85e_15
761_16

<--- --->