Properties of the Number 20172

Twenty Thousand One Hundred Seventy-Two

Basics

Value: 20171 → 20172 → 20173

Parity: even

Prime: No

Previous Prime: 20161

Next Prime: 20173

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 41 ²

Divisors: 1, 2, 3, 4, 6, 12, 41, 82, 123, 164

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111011001100

Octal: 47314

Duodecimal: B810

Hexadecimal: 4ecc

Square: 406909584

Square Root: 142.02816622064793

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) = 12·n². A135453

Sum of distinct terms of A002674: a(0) = 0, a(2n) = A255411(A153880(a(n))), a(2n+1) = 1+A255411(A153880(a(n))). A275959

Number of perfect matchings in the C_2n X P₃ graph (C_2n is the cycle graph on 2n vertices and P₃ is the path graph on 3 vertices). A102091

Tricapped prism numbers. A5920

Numbers that are the sum of three squares in arithmetic progression. A292313

Number of edges formed in a square by straight line segments when connecting the n+1 points along each edge that divide it into n equal parts to the n+1 points on the edge on the opposite side of the square. A355840

a(n) is the maximum total surface area of four-element sets of distinct integer-sided cuboids that fill an n X n X n cube. A392885

Number of perfect matchings in graph C₁₄ X P_n. A28485

a(n) = 4*((n-1)! + 1) + n. A73829

Perimeters of nondegenerate triangles with integer areas, whose side lengths are triangular numbers. A385737