Properties of the Number 64413

Sixty-Four Thousand Four Hundred Thirteen

Basics

Value: 64412 → 64413 → 64414

Parity: odd

Prime: No

Previous Prime: 64403

Next Prime: 64433

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 17 × 421

Divisors: 1, 3, 9, 17, 51, 153, 421, 1263, 3789, 7157

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111101110011101

Octal: 175635

Duodecimal: 31339

Hexadecimal: fb9d

Square: 4149034569

Square Root: 253.7971631047124

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

Denominators of continued fraction convergents to sqrt(371). A41703

EKG sequence (or ECG sequence): a(1) = 1; a(2) = 2; for n > 2, a(n) = smallest number not already used which shares a factor with a(n-1). A64413

Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A316950