Properties of the Number -24387

Twenty-Four Thousand Three Hundred Eighty-Seven

Basics

Value: -24388 → -24387 → -24386

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 739

Divisors: 1, 3, 11, 33, 739, 2217, 8129, 24387

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -101111101000011

Octal: -57503

Duodecimal: -12143

Hexadecimal: -5f43

Square: 594725769

Square Root: 156.1633759880978

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

Triangle T(n, k, j) = T(n-1, k, j) + T(n-1, k-1, j) + (2·j + 1)*prime(j)*T(n-2, k-1, j) with T(2, k, j) = prime(j) and j = 10, read by rows. A153655

Triangle T(n, k) = T(n-1, k) + T(n-1, k-1) + (2·j +7)*prime(j)*T(n-2, k-1) with j=10, read by rows. A153657

a(n) = prime(n)³ - 2. A153481

"BHK" (reversible, identity, unlabeled) transform of 3,3,3,3,... A32098

Floor(1/{(9+n⁴)^1/4}), where {} = fractional part. A184633

G.f. A(x) satisfies: A(x) = ∑_n>=0 xⁿ/(1 - x·A(x)^2·n). A340935

a(n) = ∑_k=1..n binomial(n,k) * sigma₃(k). A356039