Properties of the Number -291328

Two Hundred Ninety-One Thousand Three Hundred Twenty-Eight

Basics

Value: -291329 → -291328 → -291327

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁹ × 569

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -1000111001000000000

Octal: -1071000

Duodecimal: -120714

Hexadecimal: -47200

Square: 84872003584

Square Root: 539.748089389856

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

Starts of runs of 3 consecutive lazy-Pell-Niven numbers (A352342). A352344

a(n) = ((4+sqrt(2))*(2+sqrt(2))ⁿ + (4-sqrt(2))*(2-sqrt(2))ⁿ)/4. A161941

a(2n) = a(2n-1) + 2a(2n-2), a(2n+1) = a(2n) + a(2n-1), with a(1) = 2 and a(2) = 3. A1882

a(n)=8·a(n-1)+72·a(n-2) for n>=3, a(0)=1, a(1)=8, a(2)=128 . A133680