Properties of the Number 47901

Forty-Seven Thousand Nine Hundred One

Basics

Value: 47900 → 47901 → 47902

Parity: odd

Prime: No

Previous Prime: 47881

Next Prime: 47903

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 2281

Divisors: 1, 3, 7, 21, 2281, 6843, 15967, 47901

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011101100011101

Octal: 135435

Duodecimal: 23879

Hexadecimal: bb1d

Square: 2294505801

Square Root: 218.86297082878136

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

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 931", based on the 5-celled von Neumann neighborhood. A273790

a(n) = n! * [xⁿ] exp(x/(1 + n·x)). A318224

a(1) = 9; a(n+1) = a(n) * sum of decimal digits of a(n). A47901