Properties of the Number 85128

Eighty-Five Thousand One Hundred Twenty-Eight

Basics

Value: 85127 → 85128 → 85129

Parity: even

Prime: No

Previous Prime: 85121

Next Prime: 85133

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 3547

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 3547, 7094

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110010001000

Octal: 246210

Duodecimal: 41320

Hexadecimal: 14c88

Square: 7246776384

Square Root: 291.76703035127184

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

Central terms of pendular triangle A118345. A118346

Convolution triangle, read by rows, where diagonals are successive self-convolutions of A118346. A118349

Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(0,k) = 1 and T(n,k) = (1/n) * ∑_j=1..n 2^n-j * binomial(n,j) * binomial(n+(k-1)*j,j-1) for n > 0. A336707

Triangle read by rows: a(n,k) is the number of permutations of n elements with prefix transposition distance equal to k. A164645

Multiples of 5 which are members of A002473. Or multiples of 5 with the largest prime divisor <= 7. A85128