Properties of the Number 42167

Forty-Two Thousand One Hundred Sixty-Seven

Basics

Value: 42166 → 42167 → 42168

Parity: odd

Prime: No

Previous Prime: 42157

Next Prime: 42169

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 149 × 283

Divisors: 1, 149, 283, 42167

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010010110111

Octal: 122267

Duodecimal: 2049B

Hexadecimal: a4b7

Square: 1778055889

Square Root: 205.34604938980442

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

Numbers k such that 2^k + 5 is prime. A59242

Triangle of coefficients of polynomials v(n,x) jointly generated with A210864; see the Formula section. A210865

Number of n X 6 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically. A207389

Number of 6Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically. A207395

Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically. A207387

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically. A207391

Denominators of continued fraction convergents to sqrt(608). A42167