Properties of the Number 52801

Fifty-Two Thousand Eight Hundred One

Basics

Value: 52800 → 52801 → 52802

Parity: odd

Prime: No

Previous Prime: 52783

Next Prime: 52807

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 19 × 397

Divisors: 1, 7, 19, 133, 397, 2779, 7543, 52801

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100111001000001

Octal: 147101

Duodecimal: 26681

Hexadecimal: ce41

Square: 2787945601

Square Root: 229.7846818219178

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

a(n) = (n-2)⁴ - a(n-1) - a(n-2), with a(1) = a(2) = 0. A152729

Odd octagonal numbers indexed by triangular numbers. A243201

Odd composite integers m such that U(m)² == 1 (mod m) and V(m) == 5 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=5 and b=-1, respectively. A337628

Composite n such that (n-1)*φ(n) is a perfect square. A69953

Number of ways to place 4 nonattacking nightriders on a 4 X n board. A172219

a(n) = n*(3·n - 2)*(9·n² - 6·n - 2). A264892

Number of integer partitions of n whose rounded mean is > 1. Partitions with mean >= 3/2. A364059

Strong pseudoprimes to base 27. A20253

3-almost prime octagonal numbers. A129927

a(n) = A005259(n) mod (n+1)³. A289289