Properties of the Number 42248

Forty-Two Thousand Two Hundred Forty-Eight

Basics

Value: 42247 → 42248 → 42249

Parity: even

Prime: No

Previous Prime: 42239

Next Prime: 42257

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 5281

Divisors: 1, 2, 4, 8, 5281, 10562, 21124, 42248

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010010100001000

Octal: 122410

Duodecimal: 20548

Hexadecimal: a508

Square: 1784893504

Square Root: 205.54318281081473

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 non-Fibonacci parts in all partitions of n. A144116

Number of rooted identity trees with 2-colored nodes. A38077

Expansion of -x*(-1-x+x²) / ( 1-2·x-3·x²+x³ ). A95125

Number of walks within N² (the first quadrant of Z²) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, 1), (1, -1)}. A151257

Numerators of continued fraction convergents to sqrt(650). A42248

Number of 6 X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 1 0 vertically. A207491