Properties of the Number -1518

Five Hundred Eighteen

Basics

Value: -1519 → -1518 → -1517

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 11 × 23

Divisors: 1, 2, 3, 6, 11, 22, 23, 33, 46, 66

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111101110

Octal: -2756

Duodecimal: -A66

Hexadecimal: -5ee

Square: 2304324

Square Root: 38.961519477556315

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

Expansion of (1-3x)/(1-x²+x³). A117374

1-gonal pyramidal numbers. A254749

Difference between sums of quadratic residues and non-residues modulo n that are coprime to n. A255643

Sum of the n-th powers of the roots of the (reduced) weight enumerator of the extended Golay code (1 + 759·x² + 2576·x³ + 759·x⁴ + x⁶). A122192

Denominators of Bernoulli numbers B_2n. A2445

Products of exactly four distinct primes. A46386

Number T(n,k) of collections of nonempty multisets with a total of n objects of exactly k colors; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A255903

6 times triangular numbers: a(n) = 3·n*(n+1). A28896

Number of integer partitions of n that can be partitioned into two or more blocks with equal sums. A321452

a(n) = n² - 3. A28872