Properties of the Number 18856

Eighteen Thousand Eight Hundred Fifty-Six

Basics

Value: 18855 → 18856 → 18857

Parity: even

Prime: No

Previous Prime: 18839

Next Prime: 18859

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 2357

Divisors: 1, 2, 4, 8, 2357, 4714, 9428, 18856

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100110101000

Octal: 44650

Duodecimal: AAB4

Hexadecimal: 49a8

Square: 355548736

Square Root: 137.31715115017496

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

Coordination sequence for MgCu2, Mg position. A9931

a(1) = 1. a(n) = sum of the earlier terms of the sequence, a(k), where GCD(n,a(k)) is <= k, for 1 <= k <= n-1. A119990

2^a(n) is the smallest power of 2 beginning with n. A18856