Properties of the Number 44209

Forty-Four Thousand Two Hundred Nine

Basics

Value: 44208 → 44209 → 44210

Parity: odd

Prime: No

Previous Prime: 44207

Next Prime: 44221

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11 × 4019

Divisors: 1, 11, 4019, 44209

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010110010110001

Octal: 126261

Duodecimal: 21701

Hexadecimal: acb1

Square: 1954435681

Square Root: 210.25936364404797

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

Number of Hamiltonian paths from NW to SW corners in an n X n grid reduced for symmetry, i.e., where reflection about the x-axis is not counted as distinct. A384173

a(n) = ∑_{-n<i<n, -n<j<n, gcd{i,j}=2} (n-|i|)*(n-|j|)/8. A331773

Number of 7-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and first differences in -n..n. A208998

INVERT transform of A008805 (triangular numbers repeated). A178320

Number of n-bead necklaces labeled with numbers -6..6 not allowing reversal, with sum zero and first differences in -6..6. A208991

T(n,k) is the number of n-bead necklaces labeled with numbers -k..k not allowing reversal, with sum zero and first differences in -k..k. A208993

Numbers n such that string 2,6 occurs in the base 8 representation of n but not of n-1. A44209