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Properties of the Number -28065

Twenty-Eight Thousand Sixty-Five

Basics

Value: -28066 → -28065 → -28064

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 1871

Divisors: 1, 3, 5, 15, 1871, 5613, 9355, 28065

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110110110100001

Octal: -66641

Duodecimal: -142A9

Hexadecimal: -6da1

Square: 787644225

Square Root: 167.52611736681538

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

a(n) is the number of ways to partition an n X n X n cube into 4 noncongruent cuboids. A384311
Triangle read by rows: T(n,k) is the number of rows of n colors with exactly k different colors counting chiral pairs as equivalent, i.e., the rows are reversible. A305621
Irregular table read by rows: T(n,k) is the number of permutations in Sn that have exactly k occurrences of the pattern 2413. 0 <= k <= A342854(n). A342860
Half-cumulants of a Fibonacci-geometric probability distribution. A302927
Number of basic invariants for cyclic group of order and degree n. A2956
Number of reversible strings with n beads using exactly three different colors. A56310
Hilltop maps: number of n X 1 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..3 n X 1 array. A218189
Number of singular n X n rational {0,1}-matrices with no zero rows. A116506
a(n) is the number of ways to partition an n X n X n cube into four noncongruent cuboids of different volumes. A385580
a(n) = numerator of the continued fraction which has the positive integers which are <= n and are coprime to n as its terms. A127614