Properties of the Number 81443

Eighty-One Thousand Four Hundred Forty-Three

Basics

Value: 81442 → 81443 → 81444

Parity: odd

Prime: No

Previous Prime: 81439

Next Prime: 81457

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 23 × 3541

Divisors: 1, 23, 3541, 81443

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10011111000100011

Octal: 237043

Duodecimal: 3B16B

Hexadecimal: 13e23

Square: 6632962249

Square Root: 285.38219986537354

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

Integer part of 7th root of product of first n primes. A127604

Replace 3ⁱ with nⁱ in ternary representation of n. A193760

Binomial transform of expansion of cosh(sinh(x)). A81443