Properties of the Number 99211

Ninety-Nine Thousand Two Hundred Eleven

Basics

Value: 99210 → 99211 → 99212

Parity: odd

Prime: No

Previous Prime: 99191

Next Prime: 99223

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 14173

Divisors: 1, 7, 14173, 99211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000001110001011

Octal: 301613

Duodecimal: 494B7

Hexadecimal: 1838b

Square: 9842822521

Square Root: 314.97777699386984

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 primitive Pythagorean-like triples a²+b²=c²+k for k=2 with 0<c<=10ⁿ. A121084

a(n) = -2·a(n-1) + 4·a(n-3), with a(0) = 1, a(1) = -2, a(2) = 4. A99211