Properties of the Number 64321

Sixty-Four Thousand Three Hundred Twenty-One

Basics

Value: 64320 → 64321 → 64322

Parity: odd

Prime: No

Previous Prime: 64319

Next Prime: 64327

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 131 × 491

Divisors: 1, 131, 491, 64321

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101101000001

Octal: 175501

Duodecimal: 31281

Hexadecimal: fb41

Square: 4137191041

Square Root: 253.61585123962578

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

Reverse concatenation of distinct digits of all divisors of n in base 10. A256824

Triangle read by rows: the n-th row contains n numbers sorted in decreasing value, each build by dropping a different number from the sequence [n,n-1,n-2,....,1] and concatenating the n-1 others. By definition the first row contains 0. A81541

Dealing cards in a game of solitaire. A71761

Expansion of x*(1-2·x²)/(1-x-2·x²)². A91596

Largest composite number obtained by concatenation of parts of a distinct partition of n, or 0 if no such number exist. A110454

Numbers whose decimal and hexadecimal representations both have strictly decreasing digits. A260096

Number of strict integer partitions of n containing the sum of some subset of the parts. A variation of sum-full strict partitions. A364272

Number of strict integer partitions of n containing all distinct divisors of all parts. A371128

Number of strict integer partitions y of n with a fixed point y(i) = i. A352829

Number of strict integer partitions of n with a part equal to the sum of two distinct others. A variation of sum-full strict partitions. A364670