Properties of the Number 81552

Eighty-One Thousand Five Hundred Fifty-Two

Basics

Value: 81551 → 81552 → 81553

Parity: even

Prime: No

Previous Prime: 81551

Next Prime: 81553

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 1699

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111010010000

Octal: 237220

Duodecimal: 3B240

Hexadecimal: 13e90

Square: 6650728704

Square Root: 285.57310797762455

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 sum ( qⁿ / product( 1-q^k, k=1..4·n), n=0..inf ). A35296

1/16 the number of permutations of 0..n having exactly 3 maxima. A130651

Averages k of twin prime pairs such that A075255(k) is also the average of a twin prime pair. A340570

Leading terms of rows in A081551. A81552