Properties of the Number 85620

Eighty-Five Thousand Six Hundred Twenty

Basics

Value: 85619 → 85620 → 85621

Parity: even

Prime: No

Previous Prime: 85619

Next Prime: 85621

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 1427

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100111001110100

Octal: 247164

Duodecimal: 41670

Hexadecimal: 14e74

Square: 7330784400

Square Root: 292.60895406668607

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 X k 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299852

a(n) is a non-palindromic composite located between twin primes whose reverse, which is less than it, is also located between twin primes. A103741

Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299847

Number of 2-graphs with n nodes and transitive automorphism group. A85620

Number of n X 4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,1,2,4,0 for x=0,1,2,3,4. A197075