Properties of the Number 86885

Eighty-Six Thousand Eight Hundred Eighty-Five

Basics

Value: 86884 → 86885 → 86886

Parity: odd

Prime: No

Previous Prime: 86869

Next Prime: 86923

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 5 × 17377

Divisors: 1, 5, 17377, 86885

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001101100101

Octal: 251545

Duodecimal: 42345

Hexadecimal: 15365

Square: 7549003225

Square Root: 294.7626163542453

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) = (n + 1)*(20·n² + 19·n + 6)/6. A220084

Smallest m such that A136743(m) = n. A136744

Lower triangular matrix, read by rows: T(i,j) = number of ways i seats can be occupied by any number k (0<=k<=j<=i) of persons. A86885