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Properties of the Number -15585

Fifteen Thousand Five Hundred Eighty-Five

Basics

Value: -15586 → -15585 → -15584

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 1039

Divisors: 1, 3, 5, 15, 1039, 3117, 5195, 15585

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11110011100001

Octal: -36341

Duodecimal: -9029

Hexadecimal: -3ce1

Square: 242892225

Square Root: 124.83989746871791

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

"Orderly" Friedman numbers (or "good" or "nice" Friedman numbers): Friedman numbers (A036057) where the construction digits are used in the proper order. A80035
a(n) is the least k>1 such that first n terms of Kolakoski sequence A000002 repeat beginning at k-th term. A22294
a(n) = 2nd elementary symmetric function of the first n+1 positive integers congruent to 1 mod 4. A24378
Nonnegative walks of length n on the x-axis starting at the origin using steps {1,-1} and visiting no point more than twice. A212584
Number of edges in an equilateral triangle "frame" of size n (see Comments in A328526 for definition). A333030
Number of integer compositions of n with integer geometric mean. A357710
Expansion of 1/∏k>=1 (1 - xk)valuation(k,4 + 1). A373295
Triangle read by rows: T(n, k) is the Sheffer triangle ((1 - 4·x)-1/4, (-1/4)*log(1 - 4·x)). A generalized Stirling1 triangle. A290319
Number of integers k such that φ(k) = 10n. A72074
Position of first repeat of the opening sequence of length n occurring after the first repeat of the opening sequence of length n-1 in the Kolakoski sequence (A000002). A74300