Properties of the Number 79985

Seventy-Nine Thousand Nine Hundred Eighty-Five

Basics

Value: 79984 → 79985 → 79986

Parity: odd

Prime: No

Previous Prime: 79979

Next Prime: 79987

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 5 × 17 × 941

Divisors: 1, 5, 17, 85, 941, 4705, 15997, 79985

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100001110001

Octal: 234161

Duodecimal: 3A355

Hexadecimal: 13871

Square: 6397600225

Square Root: 282.81619472724685

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

The curvature of circles (rounded to nearest integer), successively inscribed toward the 45-degree angle of a 45-45-90 triangle, starting with a unit circle. A228765

a(1)=7; a(n),a(n+1) are smallest > a(n-1) such that a(n-1)²+a(n)²=a(n+1)². A77035

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=3, r=3, I={-1,0,1}. A79985