Properties of the Number 45221

Forty-Five Thousand Two Hundred Twenty-One

Basics

Value: 45220 → 45221 → 45222

Parity: odd

Prime: No

Previous Prime: 45197

Next Prime: 45233

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 11 × 4111

Divisors: 1, 11, 4111, 45221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 1011000010100101

Octal: 130245

Duodecimal: 22205

Hexadecimal: b0a5

Square: 2044938841

Square Root: 212.6522983651952

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) = ∑_k=1..n binomial(floor(n/k)+3,4). A365409

Integer part of Gauss's Arithmetic-Geometric Mean M(2,n⁴). A127765

Coefficient of x² in minimal polynomial of the continued fraction [1ⁿ,2/3,1,1,1,...], where 1ⁿ means n ones. A266703

Composite numbers whose prime factors contain no digits other than 1 and 4. A36304

Numerators of continued fraction convergents to sqrt(377). A41714

Strong pseudoprimes to base 41. A20267

Numbers whose base-5 representation contains exactly one 1 and no 2's. A45221