Properties of the Number -219413

Two Hundred Nineteen Thousand Four Hundred Thirteen

Basics

Value: -219414 → -219413 → -219412

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 313 × 701

Divisors: 1, 313, 701, 219413

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101100100010101

Octal: -654425

Duodecimal: -A6B85

Hexadecimal: -35915

Square: 48142064569

Square Root: 468.4154139223004

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

Small-number statistic from the enumeration of domino tilings of a 3-pillow of order n. A112835

Expansion of (5 + 6·x + 3·x² - 2·x³) / (1 - 2·x - 2·x² - 2·x³ + x⁴) in powers of x. A71101

a(n) = 2·a(n-1) + 2·a(n-2) + 2·a(n-3) - a(n-4); a(0)=0, a(1)=1, a(2)=2, a(3)=5. A138573

Take pairs (x,y) with ∑_{j = x..y} j = concatenation of·and y. Sort pairs on y then x. This sequence gives y of each pair. A70153

Given the infinite continued fraction (1+i)+((1+i)/(1+i)+((1+i)/((1+i)+...)))), where i is the square root of (-1), this is the denominator of the convergents. A93727

Expansion of x * (1 + x) * (1 - x²) * (1 + x³) / (1 - 2·x² - 2·x⁴ - 2·x⁶ + x⁸) in powers of x. A206625