Properties of the Number 84572

Eighty-Four Thousand Five Hundred Seventy-Two

Basics

Value: 84571 → 84572 → 84573

Parity: even

Prime: No

Previous Prime: 84559

Next Prime: 84589

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 21143

Divisors: 1, 2, 4, 21143, 42286, 84572

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101001011100

Octal: 245134

Duodecimal: 40B38

Hexadecimal: 14a5c

Square: 7152423184

Square Root: 290.81265447019325

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

Number of (n+1) X (2+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings). A235283

Number of length-n 0..6 arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order. A268954

Number of length-(n+4) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order. A268958

T(n,k)=Number of length-n 0..k arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order. A268956

Let a(1)=1; for n>1, a(n)=nextprime((π/2)*a(n-1)). A84572