Properties of the Number 42216

Forty-Two Thousand Two Hundred Sixteen

Basics

Value: 42215 → 42216 → 42217

Parity: even

Prime: No

Previous Prime: 42209

Next Prime: 42221

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 1759

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 1759, 3518

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010011101000

Octal: 122350

Duodecimal: 20520

Hexadecimal: a4e8

Square: 1782190656

Square Root: 205.46532554180524

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

Consecutive states of the linear congruential pseudo-random number generator for Smalltalk-80 when started at 1. A384220

a(n) = (5/6)*n³+(5/2)*n²+(8/3)*n. A92185

Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300876

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300881

Least prime p such that π(p·n)² = π(q·n)² + π(r·n)² for some primes q and r, where π(x) denotes the number of primes not exceeding x. A257364

Numerators of continued fraction convergents to sqrt(634). A42216