Properties of the Number 42011

Forty-Two Thousand Eleven

Basics

Value: 42010 → 42011 → 42012

Parity: odd

Prime: No

Previous Prime: 41999

Next Prime: 42013

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 43 × 977

Divisors: 1, 43, 977, 42011

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010000011011

Octal: 122033

Duodecimal: 2038B

Hexadecimal: a41b

Square: 1764924121

Square Root: 204.9658508142271

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

MM-numbers of crossing, capturing multiset partitions (with empty parts allowed). A326259

MM-numbers of labeled simple hypergraphs with no singletons spanning an initial interval of positive integers. A320463

Sum of piles of first n primes: a(n) = Sum(prime(i)*(2·i-1): 1<=i<=n). A316322

Numbers n such that prime(n) + reversal(prime(n)) is a square. A227371

Semiprimes whose reversal + 1 is a square. A245362

G.f. satisfies: A(x) = Sum{n>=0} xⁿ * A(n·x)ⁿ. A195068

Denominators of continued fraction convergents to sqrt(528). A42011

Number of edges in all noncrossing forests on n nodes on a circle. A45739

Number of length n+5 0..3 arrays with at most one downstep in every n consecutive neighbor pairs. A258735

Expansion of e.g.f. A(x) satisfying A(x) = 1 + Integral A(x)^A(x) dx. A366228