Properties of the Number 40181

Forty Thousand One Hundred Eighty-One

Basics

Value: 40180 → 40181 → 40182

Parity: odd

Prime: No

Previous Prime: 40177

Next Prime: 40189

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 23 × 1747

Divisors: 1, 23, 1747, 40181

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110011110101

Octal: 116365

Duodecimal: 1B305

Hexadecimal: 9cf5

Square: 1614512761

Square Root: 200.45198926426247

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

Smallest integer that can be expressed as the sum of one or more consecutive semiprimes in exactly n ways. A186337

Numbers k such that the first 9 digits of the k-th Lucas number are 1-9 pandigital. A216489

Number of partitions of n into parts not of the form 17k, 17k+2 or 17k-2. Also number of partitions with 1 part of size 1 and differences between parts at distance 7 are greater than 1. A35963

Continued fraction for sqrt(195). A40181