Properties of the Number 68287

Sixty-Eight Thousand Two Hundred Eighty-Seven

Basics

Value: 68286 → 68287 → 68288

Parity: odd

Prime: No

Previous Prime: 68281

Next Prime: 68311

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 23 × 2969

Divisors: 1, 23, 2969, 68287

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000101010111111

Octal: 205277

Duodecimal: 33627

Hexadecimal: 10abf

Square: 4663114369

Square Root: 261.3178141650508

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 regions formed at generation n when the Conant "warp and woof" construction is applied to the base and left side of an equilateral triangle. A337270

Number of binary strings of length n with equal numbers of 00000 and 01110 substrings. A164187

Initial primes of 6 consecutive primes with 5 consecutive gaps 10, 8, 6, 4, 2. A286891

1/8 the number of colorings of an n X n staggered hexagonal array with 8 colors. A68287

Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and the central column and the two maximums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254583