Properties of the Number 42389

Forty-Two Thousand Three Hundred Eighty-Nine

Basics

Value: 42388 → 42389 → 42390

Parity: odd

Prime: No

Previous Prime: 42379

Next Prime: 42391

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 19 × 23 × 97

Divisors: 1, 19, 23, 97, 437, 1843, 2231, 42389

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010110010101

Octal: 122625

Duodecimal: 20645

Hexadecimal: a595

Square: 1796827321

Square Root: 205.8858907259067

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 rectangular plane partitions of n with no repeated rows or columns. A323435

Related to the set of Motzkin trees where all leaves are at the same unary height 2. A321572

Number of compositions (ordered partitions) of n into distinct prime powers (including 1). A331925

Denominators of continued fraction convergents to sqrt(721). A42389

Number of (n+2)X(3+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4. A252083

Number of (n+2)X(3+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 4 6 or 7. A252452