Properties of the Number -1045

Forty-Five

Basics

Value: -1046 → -1045 → -1044

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 5 × 11 × 19

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

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000010101

Octal: -2025

Duodecimal: -731

Hexadecimal: -415

Square: 1092025

Square Root: 32.32645975048923

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Expansion of (1/x) * Series_Reversion( x*(1+x+x³)/(1+x)² ). A366116

Triangle of diagonals of symmetric Krawtchouk matrices. A99037

Numerators of z-sequence for the Sheffer matrix T = P·Lah = A271703 = A007318·A271703 = (exp(t), t/(1-t)). A288869

a(2n) = (n²-n-1) + a(2n-2), a(2n+1) = (n²-n-1)*a(2n-1), with a(0)=0 and a(1)=1. A154232

Numerator of Hermite(n, 11/12). A159486

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 201", based on the 5-celled von Neumann neighborhood. A270723

Triangle a(n, k) read by rows: coefficient triangle that gives Lucas powers and sums of Lucas powers. A317360

Expansion of ∏_k>0 1/(∑_m>=0 x^k·m²). A320119

Triangle of characteristic polynomials, see Mathematica code. A158390

Moser-de Bruijn sequence: sums of distinct powers of 4. A695