Properties of the Number 90885

Ninety Thousand Eight Hundred Eighty-Five

Basics

Value: 90884 → 90885 → 90886

Parity: odd

Prime: No

Previous Prime: 90863

Next Prime: 90887

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 73 × 83

Divisors: 1, 3, 5, 15, 73, 83, 219, 249, 365, 415

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001100000101

Octal: 261405

Duodecimal: 44719

Hexadecimal: 16305

Square: 8260083225

Square Root: 301.47139167755205

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+1) is the smallest odd m whose cototient equals a(n). A63830

Sum of the squares of the exponents in the prime factorization of n. A90885

Expansion of g.f. A(x) satisfying a(n) = [x^n-1] A(x)ⁿ⁺¹ for n >= 1. A361048