Properties of the Number 44155

Forty-Four Thousand One Hundred Fifty-Five

Basics

Value: 44154 → 44155 → 44156

Parity: odd

Prime: No

Previous Prime: 44131

Next Prime: 44159

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 8831

Divisors: 1, 5, 8831, 44155

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010110001111011

Octal: 126173

Duodecimal: 21677

Hexadecimal: ac7b

Square: 1949664025

Square Root: 210.13091157656933

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) = floor(1/(ζ(4) - ∑_h=1..n 1/h⁴)). A248230

Inverse of coefficient array of orthogonal polynomials P(n,x)=(x-n)*P(n-1,x)-(2n-3)*P(n-2,x), P(0,x)=1,P(1,x)=x-1. A178125

Nearest integer to 1/(∑_k>=n 1/k⁴). A83559

Expansion of 1/(1-x-x²/(1-2x-3x²/(1-3x-5x²/(1-4x-7x²/(1-... (continued fraction). A178123

a(n) = A005291(n) + A005291(n+1). A195308

Numbers k such that string 2,3 occurs in the base 7 representation of k but not of k-1. A44155