Properties of the Number -128248

One Hundred Twenty-Eight Thousand Two Hundred Forty-Eight

Basics

Value: -128249 → -128248 → -128247

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 17 × 23 × 41

Divisors: 1, 2, 4, 8, 17, 23, 34, 41, 46, 68

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -11111010011111000

Octal: -372370

Duodecimal: -62274

Hexadecimal: -1f4f8

Square: 16447549504

Square Root: 358.11729921912456

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/((1+x)*(1-x)⁶). A1753

Expansion of ∏_{i>=1, j>=0} (1 + x^{i·5^j}) / (1 - x^{i·5^j}). A393557

Number of n X 5 0..1 arrays with rows unimodal and columns nondecreasing. A225007

Number A(n,k) of unimodal functions f:[n]->[k·n]; square array A(n,k), n>=0, k>=0, read by antidiagonals. A226031

Number of (n+1)X(5+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically. A253695

Partial sums of A100119. Sum of first n of the n-th centered n-gonal numbers. A130218