Properties of the Number 42648

Forty-Two Thousand Six Hundred Forty-Eight

Basics

Value: 42647 → 42648 → 42649

Parity: even

Prime: No

Previous Prime: 42643

Next Prime: 42649

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 1777

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 1777, 3554

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011010011000

Octal: 123230

Duodecimal: 20820

Hexadecimal: a698

Square: 1818851904

Square Root: 206.51392204885366

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 regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles (a(0)=0 by convention). A306302

Sum of median parts of all partitions of n into an odd number of parts. A211373

a(n) = 3·n³ + 2·n² + n. A67389

Numbers m such that for some power k, m is the sum of d + d^k as d runs through the digits of m. A257768

Number of n-leaf binary trees that do not contain (()(()(()((()())())))) as a subtree. A159768

Numbers k such that the decimal part of k^1/9 starts with a 'nine digits' anagram. A34284

cos(arctan(x)+sin(x))=1-4/2!*x²+40/4!*x⁴-934/6!*x⁶+42648/8!*x⁸... A12977

exp(arctanh(x)+sinh(x))=1+2·x+4/2!*x²+11/3!*x³+40/4!*x⁴+177/5!*x⁵... A13182

a(n) is the floor of the average of the 1st moment of all previous entries. A92483

Numerators of continued fraction convergents to sqrt(854). A42648