Properties of the Number 42200

Forty-Two Thousand Two Hundred

Basics

Value: 42199 → 42200 → 42201

Parity: even

Prime: No

Previous Prime: 42197

Next Prime: 42209

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 5 ² × 211

Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010011011000

Octal: 122330

Duodecimal: 20508

Hexadecimal: a4d8

Square: 1780840000

Square Root: 205.42638584174136

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

Column 1 of triangle A370041. A370154

Triangle read by rows: T(n,k) is the number of deco polyominoes of height n and having k columns of odd length (0<=k<=n). A deco polyomino is a directed column-convex polyomino in which the height, measured along the diagonal, is attained only in the last column. A121745

n written efficiently in natural numbers base, i.e., in form ...wxyz where n =1·z + 2·y + 3·x + 4·w + ... with z < 1, y < 2, x < 3, w < 4, ... A55992

Numerators of continued fraction convergents to sqrt(626). A42200

Number of nX2 0..3 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X3 0..3 array without adjacent equal elements in the latter. A229315