Properties of the Number 42175

Forty-Two Thousand One Hundred Seventy-Five

Basics

Value: 42174 → 42175 → 42176

Parity: odd

Prime: No

Previous Prime: 42169

Next Prime: 42179

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 7 × 241

Divisors: 1, 5, 7, 25, 35, 175, 241, 1205, 1687, 6025

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010010111111

Octal: 122277

Duodecimal: 204A7

Hexadecimal: a4bf

Square: 1778730625

Square Root: 205.3655277791285

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011. A260284

Numbers n with the property that n is an anagram of the digits of the distinct prime factors of n. A96595

Number of (n+2)X(3+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011. A260279

Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011. A260283

Number of aperiodic necklaces (Lyndon words) with k<=6 black beads and n-k white beads. A277631

Composite numbers that are anagrams of the concatenation of their prime factors. A306474

Number of different vertex-degree sequences of simple 3-uniform hypergraphs on n vertices. A121271

Denominators of continued fraction convergents to sqrt(612). A42175

Numbers k such that 10k+1, 10k+3, 10k+7, and 10k+9 are all composite, and k == 1 (mod 3). A316630