Properties of the Number 42212

Forty-Two Thousand Two Hundred Twelve

Basics

Value: 42211 → 42212 → 42213

Parity: even

Prime: No

Previous Prime: 42209

Next Prime: 42221

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 61 × 173

Divisors: 1, 2, 4, 61, 122, 173, 244, 346, 692, 10553

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010011100100

Octal: 122344

Duodecimal: 20518

Hexadecimal: a4e4

Square: 1781852944

Square Root: 205.4555913086816

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

G.f.: (∑_k>=1 x^k/(1-x^k) * ∏_k>=1 1/(1-x^k) )². A305120

Numbers k that divide φ(k)² + σ(k)². A68484

Expansion of 1/(1 - x/(1 - 4·x)^3/2)³. A382542

Numerators of continued fraction convergents to sqrt(632). A42212