Properties of the Number 42242

Forty-Two Thousand Two Hundred Forty-Two

Basics

Value: 42241 → 42242 → 42243

Parity: even

Prime: No

Previous Prime: 42239

Next Prime: 42257

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 21121

Divisors: 1, 2, 21121, 42242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010100000010

Octal: 122402

Duodecimal: 20542

Hexadecimal: a502

Square: 1784386564

Square Root: 205.52858681944952

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

Numbers whose least quadratic nonresidue (A020649) is 17. A25026

Difference of two positive 5th powers. A181124

Number of points on the surface of 5-dimensional cube. A8512

Monotonic ordering of nonnegative differences 3ⁱ-7^j, for 40>= i>=0, j>=0. A192153

Numbers expressible as the difference of two nonnegative fifth powers. A152045

a(n) = 9ⁿ - 7ⁿ. A191467

Number of (n+2) X 5 binary arrays avoiding patterns 001 and 110 in rows, columns and nw-to-se diagonals. A202442

Numbers whose prime factorization (prime factors and exponents) contains the digits 1 and 2 at least once, but no other digits. A364484

Numerators of continued fraction convergents to sqrt(647). A42242

Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally and vertically. A254451