Properties of the Number 68528

Sixty-Eight Thousand Five Hundred Twenty-Eight

Basics

Value: 68527 → 68528 → 68529

Parity: even

Prime: No

Previous Prime: 68521

Next Prime: 68531

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 4283

Divisors: 1, 2, 4, 8, 16, 4283, 8566, 17132, 34264, 68528

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101110110000

Octal: 205660

Duodecimal: 337A8

Hexadecimal: 10bb0

Square: 4696086784

Square Root: 261.7785323512988

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 partitions of n containing no part i of multiplicity i. A276429

Number of even-length integer partitions of 2n with integer mean. A361655

Let N(2k) denote the numerator of B(2k), the 2k-th Bernoulli number, and D(2k) the denominator; sequence gives values of k such that gcd(N(2k),D(2k-2))=5. A68528

Number of (n+2)X(1+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254013