Properties of the Number -155496

One Hundred Fifty-Five Thousand Four Hundred Ninety-Six

Basics

Value: -155497 → -155496 → -155495

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 11 × 19 × 31

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 19, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -100101111101101000

Octal: -457550

Duodecimal: -75BA0

Hexadecimal: -25f68

Square: 24179006016

Square Root: 394.329811198697

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

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one. A231997

Number of ways to place 2 points on a triangular grid of side n so that they are not adjacent. A239568

n·A000084(n). A58353

Triangle T(n,k) (n >= 2, 2 <= k <= n-1 if n > 2) giving number of non-crossing trees with n nodes and k endpoints. A72247

σ(A033631(n)) {σ is the sum of divisors function A000203}. A115619

The Wiener index of the Kneser graph K(n,2) (n>=5). A228306

Number of (n+1)X(6+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one. A231995

Number of (3+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one. A232000

Numbers k such that 7·10^k + 61 is prime. A281989