Properties of the Number -68161

Sixty-Eight Thousand One Hundred Sixty-One

Basics

Value: -68162 → -68161 → -68160

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 68161

Divisors: 1, 68161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000101001000001

Octal: -205101

Duodecimal: -33541

Hexadecimal: -10a41

Square: 4645921921

Square Root: 261.0766171069328

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

Coefficient Expansion sequence of a Weaver Morse Code polynomial (using Cyclotomic prime base dot, dash, letter space and word space symbols): p(x) = -5 - 10 x - 12 x² - 10 x³ - 7 x⁴ - 3 x⁵ + 5 x⁷ + 8 x⁸ + 9 x⁹ + 8 x¹⁰ + 6 x¹¹ + 3 x¹² + x¹³. A143389

Number of integer partitions of n containing three parts (a,b,c) (repeats allowed) such that a + b = c. A variation of sum-full partitions. A363225

Primes having only {1, 6, 8} as digits. A385782

Primes of the form T(k) + S(k) + 1 where T(k) is the k-th triangular number and S(k) is the k-th square number. A229080

Primes that remain prime through 3 iterations of function f(x) = 8x + 3. A23292

Number of 3X3X3 triangular 0..n arrays with every horizontal row having the same average value. A214596

a(n) = 16·n³ + 10·n² + 4·n + 1. A272130

Numbers k such that 113·2^k+1 is prime. A32406