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Properties of the Number 42282

Forty-Two Thousand Two Hundred Eighty-Two

Basics

Value: 42281 → 42282 → 42283

Parity: even

Prime: No

Previous Prime: 42281

Next Prime: 42283

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 6 × 29

Divisors: 1, 2, 3, 6, 9, 18, 27, 29, 54, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010100101010

Octal: 122452

Duodecimal: 20576

Hexadecimal: a52a

Square: 1787767524

Square Root: 205.62587385832552

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

T(n,k)=Number of nXk 0..n+k-2 arrays with each element differing from its horizontal and vertical neighbors by one or two. A265458
Numbers n such that n!10-1 is prime. A204658
Number of essentially different ways of arranging numbers 1 through 2n around a circle so that the sum of each pair of adjacent numbers is prime and the odd (or even) numbers are in order. A72616
a(n) is the index of the first occurrence of n in A331284. A331285
Number of ways to place 2 nonattacking nightriders on an n X n toroidal board. A196812
Number of nX2 0..n+2-2 arrays with each element differing from its horizontal and vertical neighbors by one or two. A265452
Number of nX5 0..n+5-2 arrays with each element differing from its horizontal and vertical neighbors by one or two. A265455
Numbers k with the property that there exists a positive integer multiplier M such that M times the sum of the digits of k, multiplied further by the reversal of this product, gives k. A305131
Numerators of continued fraction convergents to sqrt(667). A42282
Number of 3Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281804