Properties of the Number 28196

Twenty-Eight Thousand One Hundred Ninety-Six

Basics

Value: 28195 → 28196 → 28197

Parity: even

Prime: No

Previous Prime: 28183

Next Prime: 28201

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 7 × 19 × 53

Divisors: 1, 2, 4, 7, 14, 19, 28, 38, 53, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111000100100

Octal: 67044

Duodecimal: 14398

Hexadecimal: 6e24

Square: 795014416

Square Root: 167.9166459884189

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

Expansion of ∏_k>=1 (1 + 4·x^k). A261568

a(n) is the concatenation of n and 7n. A9441

a(n) = 36·n² - n. A157286

Consecutive states of the linear congruential pseudo-random number generator (10924·s+11830) mod (2¹⁵+1) when started at s=1. A384150

a(n) = 784·n² - 28. A158657

Number of subsets of the first n nonzero triangular numbers whose sum is a nonzero triangular number. A377123

a(n) = 144·n² - 2·n. A158135

Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)=2. A212895

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 245", based on the 5-celled von Neumann neighborhood. A271006

The sum of denominators of unreduced mediants in Farey sequences of orders 1,2,..,n. A248832