Properties of the Number 42113

Forty-Two Thousand One Hundred Thirteen

Basics

Value: 42112 → 42113 → 42114

Parity: odd

Prime: No

Previous Prime: 42101

Next Prime: 42131

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 23 × 1831

Divisors: 1, 23, 1831, 42113

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010010010000001

Octal: 122201

Duodecimal: 20455

Hexadecimal: a481

Square: 1773504769

Square Root: 205.2145219033

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

Expansion of q^5/24 / (η(q) * η(q²)²) in powers of q. A29862

a(0) = ... = a(4) = 1; a(n) = ∑_k=1..n-5 a(k) * a(n-k-5). A346049

a(n) = numerator of b(n), where b(1)=1, b(n+1) = sum{k=1 to n} {b(n+1-k)/k} ({x} is the fractional part of x). A128191

Number of permutations of the prime indices of n with at least one non-singleton run, or non-separations. A336107

Denominators of continued fraction convergents to sqrt(581). A42113

Central terms of triangle A100326. A264717