1045

1045 = 5 × 11 × 19

1045 = 1² + 34 × 5 × 6 + 7 + 8 + 9

1045 = 987 + 6 × 5 + 4 + 3 + 21

1045 = 0^5 − 1^7 + 2^8 − 3^9 + 4^2 + 5^6 + 6^1 + 7^0 + 8^4 + 9^3

1045 divides 56^2 - 1.

Moser-de Bruijn sequence: sums of distinct powers of 4.

Octagonal number: n*(3*n-2). Also called star number

Octagonal pyramidal number: a(n) = n*(n+1)*(2*n-1)/2

Number n such that n!3 - 3 is prime, where n!3 = n!!! is a triple factorial number

Sphenic number: Product of 3 distinct Primes, (List)

Factors: 1, 5, 11, 19, 55, 95, 209, 1045

One thousand, forty-five

Representations, Binary to Hexadecimal:

Roman: MXLV

10000010101_2
1102201_3
100111_4
13140_5
4501_6
3022_7
2025_8
1381_9
870_11
731_12
625_13
549_14
49a_15
415_16

1044 <--- ---> 1046