Properties of the Number -7497

Four Hundred Ninety-Seven

Basics

Value: -7498 → -7497 → -7496

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 17

Divisors: 1, 3, 7, 9, 17, 21, 49, 51, 63, 119

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110101001001

Octal: -16511

Duodecimal: -4409

Hexadecimal: -1d49

Square: 56205009

Square Root: 86.58521813797087

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 λ triangle. A160487

Coefficients in the expansion of ([s] + [2s]x + [3s]x² + ...)/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = sqrt(3), s = r/(1-r). A279630

Numbers m such that there are precisely 13 groups of order m. A292896

Composite numbers such that the square mean of their prime factors is a nonprime integer (where the prime factors are taken with multiplicity and the square mean of c and d is sqrt((c²+d²)/2)). A134602

a(n) = 17·n². A244630

Numbers k such that k² is a sum of consecutive cubes larger than 1. A126200

Number of positive special sums of integer partitions of n. A301854

Numbers k for which nontrivial positive magic squares of exactly 8 different orders with magic sum k exist. For a definition of nontrivial positive magic squares, see A125005. A125015

Numbers n such that n² can be represented as sum of (at least two) consecutive cubes and n is not a triangular number. A163393

Number of integer partitions of n such that the least part plus the greatest part is odd. A390092