Properties of the Number -131427

One Hundred Thirty-One Thousand Four Hundred Twenty-Seven

Basics

Value: -131428 → -131427 → -131426

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 17 × 859

Divisors: 1, 3, 9, 17, 51, 153, 859, 2577, 7731, 14603

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -100000000101100011

Octal: -400543

Duodecimal: -64083

Hexadecimal: -20163

Square: 17273056329

Square Root: 362.5286195598907

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) = n-th Rhonda number to base b = n-th composite number, cf. A002808. A255880

Number of n X 2 -1,1 arrays such that the sum over i=1..n, j=1..2 of i·x(i,j) is zero, the sum of x(i,j) is zero, and rows are nondecreasing (number of ways to distribute 2-across galley oarsmen left-right at n fore-aft positions so that there are no turning moments on the ship). A225338

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 1), (0, 1, 0), (1, -1, 1), (1, 0, -1)}. A148382