Properties of the Number 42119

Forty-Two Thousand One Hundred Nineteen

Basics

Value: 42118 → 42119 → 42120

Parity: odd

Prime: No

Previous Prime: 42101

Next Prime: 42131

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 11 × 547

Divisors: 1, 7, 11, 77, 547, 3829, 6017, 42119

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010010000111

Octal: 122207

Duodecimal: 2045B

Hexadecimal: a487

Square: 1774010161

Square Root: 205.22914023110852

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

a(n) = ∑_{k=0..floor(n/3)} |Stirling1(n - 2·k,k)|. A357901

Numbers k such that j(k)*φ(k) = σ(φ(k)), j(k) = A033831(k). A33856

Numbers n where either n or n+1 is divisible by the numbers from 1 to 12. A131662

Denominators of continued fraction convergents to sqrt(584). A42119

G.f. A(x) satisfies [xⁿ] A(x)ⁿ = [xⁿ] -1/A(x)ⁿ⁺¹ for n > 1 with A(0) = 1, A'(0) = 1. A383556