Properties of the Number 55244

Fifty-Five Thousand Two Hundred Forty-Four

Basics

Value: 55243 → 55244 → 55245

Parity: even

Prime: No

Previous Prime: 55243

Next Prime: 55249

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 7 × 1973

Divisors: 1, 2, 4, 7, 14, 28, 1973, 3946, 7892, 13811

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101011111001100

Octal: 153714

Duodecimal: 27B78

Hexadecimal: d7cc

Square: 3051899536

Square Root: 235.04042205544135

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

Numbers k such that 63·2^k-1 is prime. A50557

Triangle read by rows: T(n,k) is the number of nested cycle partitions of n labeled nodes into k components. A392471

Number of certain stackings of n+1 squares on a double staircase. A55244

Array read by antidiagonals: T(n,k) (n>=1, k>=1) = number of ways to select four points from an n X k grid so that they form a convex quadrilateral. A334711

a(n) = C(n+4,4) * C(n+6,6). A105947

Indices n of Riemann ζ zeros for successive records of the normalized δ defined as d(n) = (z(n+1)-z(n))*(log(z(n)/(2Pi))/(2Pi)) where z(n) is the imaginary part of the n-th Riemann zero. A329742