985

985 = 5 × 197

985 = 1 × 2 + 3 × 4 × 5 × 6 + 7 × 89

985 = 98 + 7 × 65 + 432 × 1

985 = 0^8 + 1^9 + 2^6 − 3^7 + 4^5 + 5^0 + 6^4 + 7^2 + 8^1 + 9^3

985 = 12^2 + 29^2 = 16^2 + 27^2

985^2 = 473^2 + 864^2 = 696^2 + 697^2

985 divides 14^4 - 1.

985 = (11 + 1) × ((11 − 1 − 1)⁽¹⁺¹⁾ + 1) + 1

985 = 2 × (22² + 2) + 2 + 22/2

985 = 3 × 333 − 3 − 33/3

985 = 4 × 4⁴ − 44 + 4 + 4/4

985 = 5+5×(5×5×(5+5)−55)+5

985 = 6 − 66 − 66 + 6666/6

985 = (7+7)×(77−7)+7−(7+7)/7

985 = 888 + 88 + 8 + 8/8

985 = 999 − (99 + 9 + 9 + 9)/9

Minimal number of people to give a 50% probability of having at least 9 coincident birthdays in one year.

Semiprime (Product of 2 Primes)

Factors: 1, 5, 197, 985

Nine hundred eighty-five

Representations, Binary to Hexadecimal:

1111011001_2
1100111_3
33121_4
12420_5
4321_6
2605_7
1731_8
1314_9
816_11
6a1_12
5aa_13
505_14
45a_15
3d9_16

<--- --->