Properties of the Number 44521

Forty-Four Thousand Five Hundred Twenty-One

Basics

Value: 44520 → 44521 → 44522

Parity: odd

Prime: No

Previous Prime: 44519

Next Prime: 44531

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 211 ²

Divisors: 1, 211, 44521

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010110111101001

Octal: 126751

Duodecimal: 21921

Hexadecimal: ade9

Square: 1982119441

Square Root: 211

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) = (6·n + 1)². A16922

Squares of primes lacking the digit zero in their decimal expansion. A52043

a(n) = (10·n + 1)². A17282

Non-palindromic squares which when written backwards remain square (and still have the same number of digits). A35090

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -1,0 0,2 -1,-2 or 1,0. A264520

a(n) = (7·n + 1)². A16994

Squares which are palindromes in base 14. A30074

Squares with initial digit '4'. A45787

Squares whose reversal is also a square. A61457

a(n) = (14·n+1)². A134934