Properties of the Number 68787

Sixty-Eight Thousand Seven Hundred Eighty-Seven

Basics

Value: 68786 → 68787 → 68788

Parity: odd

Prime: No

Previous Prime: 68777

Next Prime: 68791

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7643

Divisors: 1, 3, 9, 7643, 22929, 68787

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110010110011

Octal: 206263

Duodecimal: 33983

Hexadecimal: 10cb3

Square: 4731651369

Square Root: 262.27275878367544

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

Integers that can be expressed as the sum of consecutive primes in exactly 5 ways. A55000

a(n) = 121·n² - 38·n + 3. A157443

Integers expressible as the sum of (at least two) consecutive primes in at least 5 ways. A67375

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1001-1111 pattern in any orientation. A146624

Number of strings over Z₄ of length n with trace 1 and subtrace 2. A68787