Properties of the Number 42965

Forty-Two Thousand Nine Hundred Sixty-Five

Basics

Value: 42964 → 42965 → 42966

Parity: odd

Prime: No

Previous Prime: 42961

Next Prime: 42967

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 13 × 661

Divisors: 1, 5, 13, 65, 661, 3305, 8593, 42965

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011111010101

Octal: 123725

Duodecimal: 20A45

Hexadecimal: a7d5

Square: 1845991225

Square Root: 207.28000385951367

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) = 625·n² - 886·n + 314. A157618

Pisot sequence P(6,11), a(0)=6, a(1)=11, a(n+1) is the nearest integer to a(n)²/a(n-1). A21011

Numbers k such that the equation x² - k·y⁴ = -1 has a solution for which |y| > 2. A356488

Nonnegative integers not congruent to 2 mod 4. A42965