Properties of the Number 86121

Eighty-Six Thousand One Hundred Twenty-One

Basics

Value: 86120 → 86121 → 86122

Parity: odd

Prime: No

Previous Prime: 86117

Next Prime: 86131

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 1367

Divisors: 1, 3, 7, 9, 21, 63, 1367, 4101, 9569, 12303

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101000001101001

Octal: 250151

Duodecimal: 41A09

Hexadecimal: 15069

Square: 7416826641

Square Root: 293.4637967450159

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

Indices of prime NSW numbers A088165. A113501

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * ∑_j=0..n (-k * (n-j))^j/j!. A351791

Denominators of continued fraction convergents to sqrt(222). A41415

Number of strings of numbers x(i=1..n) in 0..4 with sum i³*x(i) equal to n³*4. A184252

Expansion of e.g.f. 1/(1 - x·exp(-3·x)). A351792

Positive sums or differences of two cubes of primes. A86121