Properties of the Number 49172

Forty-Nine Thousand One Hundred Seventy-Two

Basics

Value: 49171 → 49172 → 49173

Parity: even

Prime: No

Previous Prime: 49171

Next Prime: 49177

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 19 × 647

Divisors: 1, 2, 4, 19, 38, 76, 647, 1294, 2588, 12293

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100000000010100

Octal: 140024

Duodecimal: 24558

Hexadecimal: c014

Square: 2417885584

Square Root: 221.74760427116232

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

Numbers n such that m + (sum of digits in base-4 representation of m) = n has exactly three solutions. A230635

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n)², where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296246

Revert transform of 2·x*(1 - x - x³)-x/(1+x). A49172

Square array A(n,k), n>=0, k>=0, read by antidiagonals downwards, where n unlabeled objects are distributed into k containers of four kinds. Containers may be left empty. A382522