Properties of the Number 49887

Forty-Nine Thousand Eight Hundred Eighty-Seven

Basics

Value: 49886 → 49887 → 49888

Parity: odd

Prime: No

Previous Prime: 49877

Next Prime: 49891

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 23 × 241

Divisors: 1, 3, 9, 23, 69, 207, 241, 723, 2169, 5543

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100001011011111

Octal: 141337

Duodecimal: 24A53

Hexadecimal: c2df

Square: 2488712769

Square Root: 223.35397914521246

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

Integers that are Rhonda numbers to base 30. A255736

Solution of the complementary equation a(n) = 2·a(n-2) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A295067

Number·such that usigma(x) = (-1)σ(x), where usigma(x) is the sum of unitary divisors of x (A034448) and (-1)σ(x) is defined in A049060 . A258101

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = a(3) = 1. A49887

Number of (n+2)X(3+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 5 6 or 7. A252674

Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum 2 and no antidiagonal sum 2 and no row sum 0 and no column sum 0. A255790