Properties of the Number 85223

Eighty-Five Thousand Two Hundred Twenty-Three

Basics

Value: 85222 → 85223 → 85224

Parity: odd

Prime: Yes

Previous Prime: 85213

Next Prime: 85229

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 85223

Divisors: 1, 85223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10100110011100111

Octal: 246347

Duodecimal: 4139B

Hexadecimal: 14ce7

Square: 7262959729

Square Root: 291.92978607877615

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) = least integer m such that the part after the decimal point of the n-th root of m starts with the digit 5. A34082

Number of base 31 n-digit numbers with adjacent digits differing by two or less. A126418

Round (3/2)ⁿ. A179523

Smallest prime > (3/2)ⁿ. A242738

Row 1 of A085201. A85223

Number of (n+2)X(4+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 4. A252061