Properties of the Number 40521

Forty Thousand Five Hundred Twenty-One

Basics

Value: 40520 → 40521 → 40522

Parity: odd

Prime: No

Previous Prime: 40519

Next Prime: 40529

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 1039

Divisors: 1, 3, 13, 39, 1039, 3117, 13507, 40521

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111001001001

Octal: 117111

Duodecimal: 1B549

Hexadecimal: 9e49

Square: 1641951441

Square Root: 201.2982861327935

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

Expansion of g.f. A(x) satisfying A(x) = A( x²*(1+x)³ ) / x. A369553

Numbers m with the property that its k-th smallest divisor, for all 1 <= k <= τ(m), contains exactly k "1" digits in its binary representation. A255401

Number of tilings of a 18 X n rectangle using 3n hexominoes of shape I. A251075

Trajectory of 3932 under the map x -> A230625(x). A288894

Continued fraction for sqrt(545). A40521