Properties of the Number 20292

Twenty Thousand Two Hundred Ninety-Two

Basics

Value: 20291 → 20292 → 20293

Parity: even

Prime: No

Previous Prime: 20287

Next Prime: 20297

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 19 × 89

Divisors: 1, 2, 3, 4, 6, 12, 19, 38, 57, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111101000100

Octal: 47504

Duodecimal: B8B0

Hexadecimal: 4f44

Square: 411765264

Square Root: 142.44999122499095

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

a(n) = ∑_k=0..2n-1 T(n,k) * T(n,k+1), with T given by A026536. A27268

Consider triangle in which n-th row contains the smallest set of n consecutive numbers whose LCM is divisible by primorial(n) (the product of first n primes). Sequence contains the first column. A83130

a(n) = 100·n² - 151·n + 57. A157626

Triangle read by rows: T(n,k) is the number of compositions of n having degree of asymmetry equal to k (n>=0; 0<=k<=n/3). A275433

Number of binary strings of length n with no substrings equal to 0010 0110 or 1101. A164499

Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 5 or 6 king-move adjacent elements, with upper left element zero. A304665

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (-1, 1, 1), (0, 1, 1), (1, -1, 0)}. A148372

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, -1), (-1, 1, 1), (0, 1, 1), (1, -1, 0)}. A148373

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 3, 5 or 6 king-move adjacent elements, with upper left element zero. A304669

Strong pseudoprimes to base 66. A20292