Properties of the Number 43181

Forty-Three Thousand One Hundred Eighty-One

Basics

Value: 43180 → 43181 → 43182

Parity: odd

Prime: No

Previous Prime: 43177

Next Prime: 43189

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 29 × 1489

Divisors: 1, 29, 1489, 43181

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010100010101101

Octal: 124255

Duodecimal: 20BA5

Hexadecimal: a8ad

Square: 1864598761

Square Root: 207.80038498520642

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

Least number k such that the number m of consecutive composite sums k + j², j = 0, ..., m is a new maximum. A371001

Composite numbers n such that the quadratic form x²+n·y² does not represent a prime strictly between n and 2n. A244030

Least nonnegative integer k with n+k and n+k² both prime. A204065

Numbers k such that 0 and 2 occur juxtaposed in the base-9 representation of k but not of k-1. A43181