Properties of the Number -205065

Two Hundred Five Thousand Sixty-Five

Basics

Value: -205066 → -205065 → -205064

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 7 ² × 31

Divisors: 1, 3, 5, 7, 9, 15, 21, 27, 31, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010000100001001

Octal: -620411

Duodecimal: -9A809

Hexadecimal: -32109

Square: 42051654225

Square Root: 452.8410317098043

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

Sum of the parts in the partitions of 4n into 4 parts with smallest part equal to 1 minus the number of these partitions. A239057

Regular triangle where T(n,k) is the number of labeled connected graphs on n + 1 vertices with k maximal blobs (2-connected components). A317671

Triangle read by rows: T(n, k) is the number of k-dimensional subspaces in (F₄)ⁿ, counted up to coordinate permutation (n >= 0, 0 <= k <= n). A347971

Irregular triangle read by rows: T(n, k) is the q-multinomial coefficient defined by the k-th partition of n in Abramowitz-Stegun order, evaluated at q = 2. A347485

Number of 4-voter voting schemes with n linearly ranked choices. A7010

Triangle of numbers S(n,k) (0 <= k <= n) arising in the enumeration of interval orders without duplicated holdings. A259876