Properties of the Number 42054

Forty-Two Thousand Fifty-Four

Basics

Value: 42053 → 42054 → 42055

Parity: even

Prime: No

Previous Prime: 42043

Next Prime: 42061

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 43 × 163

Divisors: 1, 2, 3, 6, 43, 86, 129, 163, 258, 326

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010010001000110

Octal: 122106

Duodecimal: 20406

Hexadecimal: a446

Square: 1768538916

Square Root: 205.07071950914883

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 ways 1/n can be expressed as the sum of four distinct unit fractions: 1/n = 1/w + 1/x + 1/y + 1/z satisfying 0 < w < x < y < z. A241883

Number of n X 3 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing. A223833

Coefficient of y⁰ in G(x,y)³ where G(x,y) = ∑_n=-oo..+oo (1-xⁿ)ⁿ * xⁿ * yⁿ. A263188

Number of partitions satisfying cn(0,5) <= cn(2,5) and cn(0,5) <= cn(3,5). A39838

Numerators of continued fraction convergents to sqrt(551). A42054