Properties of the Number -488281

Four Hundred Eighty-Eight Thousand Two Hundred Eighty-One

Basics

Value: -488282 → -488281 → -488280

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 19 × 31 × 829

Divisors: 1, 19, 31, 589, 829, 15751, 25699, 488281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1110111001101011001

Octal: -1671531

Duodecimal: -1B66A1

Hexadecimal: -77359

Square: 238418334961

Square Root: 698.7710640832232

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) = (5ⁿ - 1)/4. A3463

Triangle read by rows: T(n,k) = value of the n-th repunit in base (k+1) representation, 1<=k<=n. A125118

Number of sublattices of index n in generic 9-dimensional lattice. A38996

a(n) = ∑_j=0..8 n^j. A102909

Dispersion of A016861, (5k+1), by antidiagonals. A191703

Numbers of the form (5^mr-1)/(5^r-1) for positive integers m, r. A76284

Triangle T(n, m) = T(n-1, m-1) + (4m-3)*T(n-1, m) read by rows 1<=m<=n. A111578

a(n) = σ(n⁴). A202994

Numbers that are repdigits in base 5. A48330

a(n) = ∑_d∣n Moebius(n/d)*d^b-1/φ(n) for b = 10. A160953