Properties of the Number 40205

Forty Thousand Two Hundred Five

Basics

Value: 40204 → 40205 → 40206

Parity: odd

Prime: No

Previous Prime: 40193

Next Prime: 40213

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 5 × 11 × 17 × 43

Divisors: 1, 5, 11, 17, 43, 55, 85, 187, 215, 473

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110100001101

Octal: 116415

Duodecimal: 1B325

Hexadecimal: 9d0d

Square: 1616442025

Square Root: 200.51184503664615

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

Multiples of 11 with digit sum 11, with no zero digits in odd places. A83512

a(n) = 76·n² + 1. A158767

a(n) = 3·a(n-1) - a(n-2) + 8 with a(0)=1, a(1)=11. A56124

Squarefree numbers k such that the sum of the distinct prime factors of k is twice the difference between the largest and the smallest prime factors of k. A324210

Continued fraction for sqrt(220). A40205