Properties of the Number 21443

Twenty-One Thousand Four Hundred Forty-Three

Basics

Value: 21442 → 21443 → 21444

Parity: odd

Prime: No

Previous Prime: 21433

Next Prime: 21467

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 41 × 523

Divisors: 1, 41, 523, 21443

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101001111000011

Octal: 51703

Duodecimal: 104AB

Hexadecimal: 53c3

Square: 459802249

Square Root: 146.43428560279182

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

Numbers that are the sum of eight fourth powers in nine or more ways. A345584

Numbers that are the sum of eight fourth powers in exactly nine ways. A345841

Sum of the heights of the peaks in all skew Dyck paths of semilength n. A129171

Partial sums of A080076. A172243

Total Wiener index of star-like trees with n edges. A186310

Decimal expansion of 1/439. A21443