Properties of the Number -248880

Two Hundred Forty-Eight Thousand Eight Hundred Eighty

Basics

Value: -248881 → -248880 → -248879

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 5 × 17 × 61

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -111100110000110000

Octal: -746060

Duodecimal: -100040

Hexadecimal: -3cc30

Square: 61941254400

Square Root: 498.87874278225166

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) = n⁴ * ∑_d∣n (-1)^{n/d + 1} * μ(d) / d⁴. A338549

Let b(0)=0; b(1)=1; b(n+2)=(e^g-1/e^g)*b(n+1)+b(n). a(n)=floor(b(n)). A90427

Third convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself. A73390

a(n) = ∑_d∣5 φ(d)*n^5/d. A54604

Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero. A316299