Properties of the Number -2418

Four Hundred Eighteen

Basics

Value: -2419 → -2418 → -2417

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 13 × 31

Divisors: 1, 2, 3, 6, 13, 26, 31, 39, 62, 78

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101110010

Octal: -4562

Duodecimal: -1496

Hexadecimal: -972

Square: 5846724

Square Root: 49.17316341257699

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

a(n) = -2·a(n-1) + a(n-2) + a(n-3) with a(0)=a(1)=-1, a(2)=1. A215112

Expansion of g.f. (1-x+x²)/(1+x-x³). A104771

a(1) = 1; a(n) = ∑_k=2..n (-1)^k * k² * a(floor(n/k)). A361981

Triangle, T(n, k) = ∑_j=0..k (-1)^j*(n+k)!/((n-j)!*(k -j)!*j!) + ∑_j=0..n-k (-1)^j*(2·n-k)!/((n-j)!*(n-k-j)!*j!), read by rows. A176093

Number of partitions of n into distinct parts >= 2. A25147

Numbers n such that n³² + 1 is prime. A6315

a(n) = n*(3·n + 7)/2. A140090

Number of partitions of n into at most 5 parts. A1401

Number of partitions of n into distinct parts, the least being 1. A96765

Number of partitions of n in which the greatest part is 5. A26811