Properties of the Number 81426

Eighty-One Thousand Four Hundred Twenty-Six

Basics

Value: 81425 → 81426 → 81427

Parity: even

Prime: No

Previous Prime: 81421

Next Prime: 81439

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 41 × 331

Divisors: 1, 2, 3, 6, 41, 82, 123, 246, 331, 662

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011111000010010

Octal: 237022

Duodecimal: 3B156

Hexadecimal: 13e12

Square: 6630193476

Square Root: 285.3524136922623

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

Number of partitions of n such that (greatest part) + (least part) <= number of parts. A237823

Numbers whose base-5 representation has exactly 8 runs. A43608

Class 7- primes. A81426