Properties of the Number 74191

Seventy-Four Thousand One Hundred Ninety-One

Basics

Value: 74190 → 74191 → 74192

Parity: odd

Prime: No

Previous Prime: 74189

Next Prime: 74197

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 13 ² × 439

Divisors: 1, 13, 169, 439, 5707, 74191

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000111001111

Octal: 220717

Duodecimal: 36B27

Hexadecimal: 121cf

Square: 5504304481

Square Root: 272.3802489168405

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

Positive numbers y such that y² is of the form x²+(x+439)² with integer x. A159890

a(n) = 3·a(n-1) - 2·a(n-2) - a(n-4) + a(n-5) with initial terms 1, 1, 1, 3, 6. A196787

Number of distinct proper angles that can be formed by a vertex and two leg endpoints on grid points in an n X n square grid. A252591

Duplicate of A090630. A74191