Properties of the Number 48942

Forty-Eight Thousand Nine Hundred Forty-Two

Basics

Value: 48941 → 48942 → 48943

Parity: even

Prime: No

Previous Prime: 48907

Next Prime: 48947

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 2719

Divisors: 1, 2, 3, 6, 9, 18, 2719, 5438, 8157, 16314

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1011111100101110

Octal: 137456

Duodecimal: 243A6

Hexadecimal: bf2e

Square: 2395319364

Square Root: 221.22838877503943

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

Triangle read by rows: Coefficients of the polynomials S2(n, x) * EZ(n, x), where S2 denote the Stirling set polynomials and EZ the Eulerian zig-zag polynomials A205497. A373428

Triangle read by rows: T(n,k) is the number of open meanders with 2n crossings and k exterior top arches, 0 <= k <= n. A380369

Number of -2..2 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^t+u+v) having four, five, six or eight distinct values for every i,j,k<=n. A211590

Sum of antidiagonals of triangle of 2-Stirling numbers of the first kind. A295225

a(n) is twice the coefficient of the radical part in the fundamental unit of Q(sqrt(A000037(n))) where A000037 lists the nonsquare numbers (Version 1). A48942