Properties of the Number 64345

Sixty-Four Thousand Three Hundred Forty-Five

Basics

Value: 64344 → 64345 → 64346

Parity: odd

Prime: No

Previous Prime: 64333

Next Prime: 64373

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 17 × 757

Divisors: 1, 5, 17, 85, 757, 3785, 12869, 64345

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111101101011001

Octal: 175531

Duodecimal: 312A1

Hexadecimal: fb59

Square: 4140279025

Square Root: 253.6631624812716

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

Triangle read by rows: T(n,k) is the number of nonequivalent ways (mod D₃) to place k points on an n X n X n triangular grid so that no two of them are on the same row, column or diagonal (n >= 1). A283113

Number of nonequivalent ways (mod D₃) to place 5 points on an n X n X n triangular grid so that no two of them are on the same row, column or diagonal. A283116

Strong pseudoprimes to base 47. A20273

Strong pseudoprimes to base 72. A20298

Generalized Catalan numbers C(7,7; n). A64345