Properties of the Number 73801

Seventy-Three Thousand Eight Hundred One

Basics

Value: 73800 → 73801 → 73802

Parity: odd

Prime: No

Previous Prime: 73783

Next Prime: 73819

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 13 × 811

Divisors: 1, 7, 13, 91, 811, 5677, 10543, 73801

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000001001001

Octal: 220111

Duodecimal: 36861

Hexadecimal: 12049

Square: 5446587601

Square Root: 271.66339466332226

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

Triangle of numerators of coefficients, where the n-th row forms the polynomial in z, P(n,z), that is the coefficient of xⁿ in {-log(1-x)/x}^z, for n > 0. The denominator for all the terms in the n-th row is A053657(n). A75264

Numbers k such that -3 is a quadratic residue (not necessarily coprime) modulo k, k + 1, k + 2 and k + 3. A318527

Strong pseudoprimes to base 38. A20264

Number of dyslexic identity rooted planar trees with n nodes. A32102

Number of 5-ary rooted trees with n nodes and height exactly 4. A36635

a(n) = n⁴ - 6·n³ + 12·n² - 4·n + 1. A27382

Duplicate of A065891. A73801