Properties of the Number 28154

Twenty-Eight Thousand One Hundred Fifty-Four

Basics

Value: 28153 → 28154 → 28155

Parity: even

Prime: No

Previous Prime: 28151

Next Prime: 28163

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 2011

Divisors: 1, 2, 7, 14, 2011, 4022, 14077, 28154

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110110111111010

Octal: 66772

Duodecimal: 14362

Hexadecimal: 6dfa

Square: 792647716

Square Root: 167.7915373312969

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)=Unchanging value maps: number of nXk binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 nXk array. A219421

Number of 3-regular bipartitions of n. A328547

a(n) is the number of edges formed by n-secting the angles of a heptagon. A335759

Unchanging value maps: number of n X 5 binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 n X 5 array. A219418

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 425", based on the 5-celled von Neumann neighborhood. A272091

Unchanging value maps: number of 4Xn binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 4Xn array. A219424

Expansion of 1/((1-4x)(1-7x)(1-11x)(1-12x)). A28154