Properties of the Number 42968

Forty-Two Thousand Nine Hundred Sixty-Eight

Basics

Value: 42967 → 42968 → 42969

Parity: even

Prime: No

Previous Prime: 42967

Next Prime: 42979

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 41 × 131

Divisors: 1, 2, 4, 8, 41, 82, 131, 164, 262, 328

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011111011000

Octal: 123730

Duodecimal: 20A48

Hexadecimal: a7d8

Square: 1846249024

Square Root: 207.28724032125083

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 k·20^k - 1 is prime. A299383

Number of ordered triples (w,x,y) with all terms in {1,...,n} and w²>2x²+2y². A211633

Indices where A092243 strictly changes sign. A269737

Numbers not divisible by 4. A42968

Number of UH^jU's, DH^jD's, and DH^jU's for some j>0, in all peakless Motzkin paths of length n (here U=(1,1), D=(1,-1) and H=(1,0); can be easily expressed using RNA secondary structure terminology). A187259

Number of (n+1)X(5+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or vertically, with no adjacent elements equal. A232403