Properties of the Number 42741

Forty-Two Thousand Seven Hundred Forty-One

Basics

Value: 42740 → 42741 → 42742

Parity: odd

Prime: No

Previous Prime: 42737

Next Prime: 42743

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 1583

Divisors: 1, 3, 9, 27, 1583, 4749, 14247, 42741

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 1010011011110101

Octal: 123365

Duodecimal: 20899

Hexadecimal: a6f5

Square: 1826793081

Square Root: 206.7389658482406

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 k divisible by at least one nontrivial permutation (rearrangement) of the digits of k, excluding all permutations that result in digit loss. A90056

Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A301486

T(n,k) = Number of n X k 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A301491

Denominators of continued fraction convergents to sqrt(901). A42741