Properties of the Number 42691

Forty-Two Thousand Six Hundred Ninety-One

Basics

Value: 42690 → 42691 → 42692

Parity: odd

Prime: No

Previous Prime: 42689

Next Prime: 42697

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 11 × 3881

Divisors: 1, 11, 3881, 42691

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010011011000011

Octal: 123303

Duodecimal: 20857

Hexadecimal: a6c3

Square: 1822521481

Square Root: 206.6180050237636

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 stacks of n triangles, pointing upwards or downwards depending on row parity. A224704

a(n) = least k such that the remainder of 30^k divided by k is n. A128370

Denominators of continued fraction convergents to sqrt(875). A42691