4001

4001 is a Prime Number, Prime(551)

4001 = 12 × 3⁴ + 5 + 6 × 7 × 8 × 9

4001 = (987 + 6 + 5) × 4 + 3² × 1

4001 = 0^4 + 1^8 + 2^7 − 3^9 + 4^3 + 5^6 + 6^5 + 7^0 + 8^1 + 9^2

4001 = 40^2 + 49^2

4001^2 = 801^2 + 3920^2

4001 divides 70^8 - 1.

4001 is an irregular prime, since it divides the numerator of the Bernoulli number B534.

Factors: 1, 4001

Four thousand, one

Representations, Binary to Hexadecimal:

111110100001_2
12111012_3
332201_4
112001_5
30305_6
14444_7
7641_8
5435_9
3008_11
2395_12
1a8a_13
165b_14
12bb_15
fa1_16

<--- --->