Properties of the Number 19948

Nineteen Thousand Nine Hundred Forty-Eight

Basics

Value: 19947 → 19948 → 19949

Parity: even

Prime: No

Previous Prime: 19937

Next Prime: 19949

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 4987

Divisors: 1, 2, 4, 4987, 9974, 19948

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110111101100

Octal: 46754

Duodecimal: B664

Hexadecimal: 4dec

Square: 397922704

Square Root: 141.2373888175507

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

Expansion of 1/( 1 - ∑_k>=0 x^{5^k} / (1 - x^{5^k}) ). A382373

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 0, 1), (1, 0, -1), (1, 0, 1), (1, 1, 1)}. A151027

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 1), (0, 1, 0), (1, 0, 0), (1, 1, 1)}. A151171

Decimal expansion of tangent of 50 degrees. A19948