Properties of the Number 99215

Ninety-Nine Thousand Two Hundred Fifteen

Basics

Value: 99214 → 99215 → 99216

Parity: odd

Prime: No

Previous Prime: 99191

Next Prime: 99223

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 19843

Divisors: 1, 5, 19843, 99215

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000001110001111

Octal: 301617

Duodecimal: 494BB

Hexadecimal: 1838f

Square: 9843616225

Square Root: 314.98412658418204

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

Number of branching factorizations of the least integer of each prime signature (A025487). A366884

Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 2,2 3,0 3,1 3,3 polyhexes in any orientation on a planar n X n X n triangular grid. A155339

a(n) = 4·a(n-1) - 4·a(n-2) + 3·a(n-3). A99215