Properties of the Number 18863

Eighteen Thousand Eight Hundred Sixty-Three

Basics

Value: 18862 → 18863 → 18864

Parity: odd

Prime: No

Previous Prime: 18859

Next Prime: 18869

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 13 × 1451

Divisors: 1, 13, 1451, 18863

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100100110101111

Octal: 44657

Duodecimal: AABB

Hexadecimal: 49af

Square: 355812769

Square Root: 137.3426372252987

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) is the numerator of the imaginary part of ∏_k=1..n (1/k + i) where i is the imaginary unit. A370549

a(n) is the numerator of the imaginary part of ∏_k=1..n (1 + i/k) where i is the imaginary unit. A370553

Number of odd numbers k such that difference between halving and tripling steps in Collatz (3x+1) trajectory of k is n. A222753

McKay-Thompson series of class 35A for Monster. A58640

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 51", based on the 5-celled von Neumann neighborhood. A270020

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 1, 0), (1, 0, 1), (1, 1, -1), (1, 1, 0)}. A151135

Smallest power of 6 that begins with n. A18863