Properties of the Number 85570

Eighty-Five Thousand Five Hundred Seventy

Basics

Value: 85569 → 85570 → 85571

Parity: even

Prime: No

Previous Prime: 85549

Next Prime: 85571

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 43 × 199

Divisors: 1, 2, 5, 10, 43, 86, 199, 215, 398, 430

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100111001000010

Octal: 247102

Duodecimal: 4162A

Hexadecimal: 14e42

Square: 7322224900

Square Root: 292.5235033292197

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+2)X(k+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime. A252039

Number of n-digit zeroless numbers whose digit sum is larger than the product of all digits. A360972

Number of (n+2)X(3+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime. A252035

Number of (n+2)X(4+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime. A252036

If n mod 2 = 0 then 2·Sum(floor(C(n,w)/(2·w+1)),w=0..n/2-1)+floor(C(n,n/2)/(n+1)) otherwise 2·Sum(floor(C(n,w)/(2·w+1)),w=0..(n-1)/2). A85570