Properties of the Number -393372

Three Hundred Ninety-Three Thousand Three Hundred Seventy-Two

Basics

Value: -393373 → -393372 → -393371

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 ² × 223

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1100000000010011100

Octal: -1400234

Duodecimal: -16B790

Hexadecimal: -6009c

Square: 154741530384

Square Root: 627.1937499688593

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 read by rows, T(n, k) = binomial(n, k) * ∑_j=0..n-k E(n-k, j)*2^j, where E(n, k) are the Eulerian numbers A173018(n, k), for 0 <= k <= n. A154921

Triangle relating to ordered Bell numbers, A000670. A208744

a(n) = 9*(n-2)² * (n² - 2·n - 1). A60788

Triangle read by rows: T(n,k) is the number of labeled loop-threshold graphs on vertex set [n] with k components, for n >= 1 and 1 <= k <= n. A350531

Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 1100-0111-1100 pattern in any orientation. A146679

a(0) = 1; a(n) = ∑_k=0..n-1 binomial(n+3,k+3) * a(k). A352863