Properties of the Number -390049

Three Hundred Ninety Thousand Forty-Nine

Basics

Value: -390050 → -390049 → -390048

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 11 × 59 × 601

Divisors: 1, 11, 59, 601, 649, 6611, 35459, 390049

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011111001110100001

Octal: -1371641

Duodecimal: -169881

Hexadecimal: -5f3a1

Square: 152138222401

Square Root: 624.5390300053313

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

The index of the first of two consecutive positive triangular numbers (A000217) the sum of which is equal to the sum of four consecutive positive triangular numbers. A262490

a(n) = 2·A000129(n) - 1. A133654

Partial sums of A193911. A193912

Number of 2 X 2 0..n arrays with rows and columns in lexicographically nondecreasing order. A229795

a(n)=a(n-1)+3a(n-2)+a(n-3). A137199

a(n) = (n² - n + 1)*(n² + n - 1). A257925