Properties of the Number 53521

Fifty-Three Thousand Five Hundred Twenty-One

Basics

Value: 53520 → 53521 → 53522

Parity: odd

Prime: No

Previous Prime: 53507

Next Prime: 53527

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 13 × 23 × 179

Divisors: 1, 13, 23, 179, 299, 2327, 4117, 53521

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101000100010001

Octal: 150421

Duodecimal: 26B81

Hexadecimal: d111

Square: 2864497441

Square Root: 231.34606112920963

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

Odd composite integers m such that U(m)² == 1 (mod m) and V(m) == 6 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=6 and b=-1, respectively. A337629

a(n) = floor(A·a(n-1) + B·a(n-2) + C)/p^r, where p^r is the highest power of p dividing floor(A·a(n-1) + B·a(n-2) + C), A=1.0001, B=1.0001, C=1, p=2. A53521