Properties of the Number -393128

Three Hundred Ninety-Three Thousand One Hundred Twenty-Eight

Basics

Value: -393129 → -393128 → -393127

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 157 × 313

Divisors: 1, 2, 4, 8, 157, 313, 314, 626, 628, 1252

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011111111110101000

Octal: -1377650

Duodecimal: -16B608

Hexadecimal: -5ffa8

Square: 154549624384

Square Root: 626.999202551327

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

Dowling numbers: e.g.f. exp(x + (exp(b·x)-1)/b) with b=624. A364070

a(n) = 2401·n² - 980·n + 99. A157375

Array read by ascending antidiagonals: A(m, n) = ∑_i=0..n ∑_d=0..n-i binomial(n, d)*StirlingS2(n-d, i)*(m^m-1 - 1)^n-d-i. A364074

Chebyshev polynomials S(n,627). A98260

Number of nondecreasing integer sequences of length 39 with sum zero and sum of absolute values 2n. A158173

a(n) = n⁴ + 4·n² + 3. A304726