Properties of the Number 42104

Forty-Two Thousand One Hundred Four

Basics

Value: 42103 → 42104 → 42105

Parity: even

Prime: No

Previous Prime: 42101

Next Prime: 42131

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 19 × 277

Divisors: 1, 2, 4, 8, 19, 38, 76, 152, 277, 554

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010001111000

Octal: 122170

Duodecimal: 20448

Hexadecimal: a478

Square: 1772746816

Square Root: 205.1925924588897

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..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors. A231940

Central terms of triangle A124328; a(n) = A124328(2n+1,n+1) for n>=0. A124889

Quadrinomial coefficients. A5719

Number of n X 5 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors. A231938

Number of 2 X n 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors. A231941

Numbers k such that k divides A340180(k). A337189

Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly three ways, and new values 0..1 introduced in row major order. A204373

Numerators of continued fraction convergents to sqrt(577). A42104

Number of length n+2 0..8 arrays with no three equal elements in a row and new values 0..8 introduced in 0..8 order. A242471