Properties of the Number 68986

Sixty-Eight Thousand Nine Hundred Eighty-Six

Basics

Value: 68985 → 68986 → 68987

Parity: even

Prime: No

Previous Prime: 68963

Next Prime: 68993

Digit Sum: 37

Digital Root: 1

Palindrome: Yes

Factorization: 2 × 17 × 2029

Divisors: 1, 2, 17, 34, 2029, 4058, 34493, 68986

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110101111010

Octal: 206572

Duodecimal: 33B0A

Hexadecimal: 10d7a

Square: 4759068196

Square Root: 262.65186083483206

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

Transform of A000027 by the T_1,1 transformation (see link). A136302

Consider the family of ordinary multigraphs. Sequence gives the triangle read by rows giving coefficients of polynomials arising from enumeration of those multigraphs on n edges. A98233

Padovan-like sequence; a(0)=2, a(1)=1, a(2)=1, a(n) = a(n-2) + a(n-3). A141038

Records of A038804: (Smallest prime > 10ⁿ) - (largest prime < 10ⁿ). A331834

Numbers of the form x³ + SumOfCubedDigits(x). A225051

Numbers k such that ∑_d∣k σ(d)/d is an integer. A68986

Revert transform of (1 - 3x + x³)/(1 - 2x - 2x²). A49136