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Properties of the Number 27915

Twenty-Seven Thousand Nine Hundred Fifteen

Basics

Value: 27914 → 27915 → 27916

Parity: odd

Prime: No

Previous Prime: 27901

Next Prime: 27917

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 1861

Divisors: 1, 3, 5, 15, 1861, 5583, 9305, 27915

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110100001011

Octal: 66413

Duodecimal: 141A3

Hexadecimal: 6d0b

Square: 779247225

Square Root: 167.07782617690475

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

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A237463
Triangle read by rows: T(n,k) is the number of chiral pairs of rows of n colors with exactly k different colors. A305622
T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. A298834
Number of (w,x,y) with all terms in {0,...,n} and x ≠ max(|w-x|,|x-y|). A213496
Number of Dyck paths of semilength n such that no positive level has fewer than eight peaks. A288684
Number of chiral pairs of rows of n colors with exactly 3 different colors. A305623
Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A237458
Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. A298831
Number of nX7 0..1 arrays with every element equal to 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. A298833
Numbers of the form 26+p2 (where p is a prime). A138689