Properties of the Number 85640

Eighty-Five Thousand Six Hundred Forty

Basics

Value: 85639 → 85640 → 85641

Parity: even

Prime: No

Previous Prime: 85639

Next Prime: 85643

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 5 × 2141

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 2141, 4282

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100111010001000

Octal: 247210

Duodecimal: 41688

Hexadecimal: 14e88

Square: 7334209600

Square Root: 292.64312737530673

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

Partial sums of primes in which no digit is a prime A061372. A172523

Number of nX3 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1, and 2 introduced before 3 in row major order. A204296

Resultant of the polynomial x³-1 and the Chebyshev polynomial of the first kind T_n(x). A85640