Properties of the Number -3145726

One Hundred Forty-Five Thousand Seven Hundred Twenty-Six

Basics

Value: -3145727 → -3145726 → -3145725

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 71 × 22153

Divisors: 1, 2, 71, 142, 22153, 44306, 1572863, 3145726

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -1011111111111111111110

Octal: -13777776

Duodecimal: -107853A

Hexadecimal: -2ffffe

Square: 9895592067076

Square Root: 1773.6194631318185

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

a(2·n) = 3·2ⁿ - 2; a(2·n+1) = 2ⁿ⁺² - 2. A27383

a(n) = 3·2ⁿ - 2. A33484

a(n) = B(2·n, 2)/B(2·n) (see formula section). A96045

Add 1, double, add 1, double, etc. A83416

a(n) = 3·2ⁿ - 2*(-1)ⁿ. A259713

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 621", based on the 5-celled von Neumann neighborhood. A283357

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 637", based on the 5-celled von Neumann neighborhood. A283406

a(n) = T(3,n), array T given by A047858. A47860

Expansion of x*(3·x²+x+1)/((x-1)*(2·x-1)*(x+1)). A192033

a(0) = 1, a(n+1) = 2·a(n) + periodic sequence of length 2: repeat [5, -4]. A280173