Properties of the Number -218452

Two Hundred Eighteen Thousand Four Hundred Fifty-Two

Basics

Value: -218453 → -218452 → -218451

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13 × 4201

Divisors: 1, 2, 4, 13, 26, 52, 4201, 8402, 16804, 54613

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110101010101010100

Octal: -652524

Duodecimal: -A6504

Hexadecimal: -35554

Square: 47721276304

Square Root: 467.38848937473847

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(n) = (5·4ⁿ - 8)/6. A80675

a(n) = (5·2ⁿ + (-1)ⁿ - 3)/3. A84170

Triangle read by rows: T(n,k) = number of squares and rectangles of area 2^k-1 after 2ⁿ stages in the toothpick structure of A139250, n>=1, k>=1, assuming the toothpicks have length 2. A211016

Number of steps required by the Hwang-Deutsch merging algorithm. A260795

a(0)=2, a(1)=8, a(n) = a(n-1) + 2·a(n-2). A115102

a(n) = (3·2ⁿ⁺¹ - 8 - (-2)ⁿ)/6. A176961

Values of m for which A075825(m) = 1. A75876