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Properties of the Number -26384

Twenty-Six Thousand Three Hundred Eighty-Four

Basics

Value: -26385 → -26384 → -26383

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 4 × 17 × 97

Divisors: 1, 2, 4, 8, 16, 17, 34, 68, 97, 136

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -110011100010000

Octal: -63420

Duodecimal: -13328

Hexadecimal: -6710

Square: 696115456

Square Root: 162.43152403397562

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

Number of non-equivalent ways to choose two points in an equilateral triangle grid of side n. A227327
Triangle read by rows: T(n,k), n >=1, 0 <= k <= C(n,k), = number of n X n symmetric positive definite matrices with 2's on the main diagonal and 1's and 0's elsewhere and with k 1's above the diagonal. A80858
Given the infinite continued fraction i+(i/(i+(i/(i+...)))), where i is the square root of (-1), this is the denominator of the real part of the convergents. A91807
Numbers which are representable as a sum of seventeen but no fewer consecutive nonnegative integers. A270302
a(n) = 2n with 1's and 2's swapped. A306392
Coefficients in asymptotic expansion of sequence A275754. A289996
The numbers 2n with 1's and 2's swapped, then sorted. A323948
Triangle read by rows: T(n,k) = T(n-1,k-1) +T(n-1,k) +n*(n-1)*T(n-2,k-1) for n>4 and 1<=k<=n. A153592
Numbers k such that (238·10k - 1)/3 is prime. A273542