Properties of the Number 85372

Eighty-Five Thousand Three Hundred Seventy-Two

Basics

Value: 85371 → 85372 → 85373

Parity: even

Prime: No

Previous Prime: 85369

Next Prime: 85381

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 × 3049

Divisors: 1, 2, 4, 7, 14, 28, 3049, 6098, 12196, 21343

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110101111100

Octal: 246574

Duodecimal: 414A4

Hexadecimal: 14d7c

Square: 7288378384

Square Root: 292.1848729828428

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 singular positroids in the Grassmannian variety Gr(k,n) for a fixed n and any 0 <= k <= n. A349457

If n = 0 or 1 then a(n) = 1; if n = 2, 3 or 4 then a(n) = 0; otherwise a(n) = (n+1)*a(n-1)-(n-2)*a(n-2)-(n-5)*a(n-3)+(n-3)*a(n-4). A85372