Properties of the Number 8856

Eight Thousand Eight Hundred Fifty-Six

Basics

Value: 8855 → 8856 → 8857

Parity: even

Prime: No

Previous Prime: 8849

Next Prime: 8861

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ³ × 41

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010011000

Octal: 21230

Duodecimal: 5160

Hexadecimal: 2298

Square: 78428736

Square Root: 94.10632284814874

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

Number of nonempty subsets of {1,2,3,...,n} whose elements have an integer average. A51293

p-INVERT of the positive integers, where p(S) = 1 - S². A290890

Sum of smallest parts of all partitions of n. A46746

a(n) = n*(13·n² - 7)/6. A62025

Let p = A002145(n) be the n-th prime == 3 (mod 4); a(n) is the multiplicative order of 2+-i modulo p in Gaussian integers. A385165

A Fibonacci convolution. A94686

a(n) = C(n-1,1) + C(n-3,3) + ... + C(n-2·m-1,2·m+1), where m = floor((n-2)/4). A24490

16-gonal (or hexadecagonal) numbers: a(n) = n*(7·n-6). A51868

T(n,k) = Number of n X k 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element. A283572

a(n) = 1 + (6 + (11 + (6 + n)*n)*n)*n/24. A145126