Properties of the Number -155488

One Hundred Fifty-Five Thousand Four Hundred Eighty-Eight

Basics

Value: -155489 → -155488 → -155487

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 43 × 113

Divisors: 1, 2, 4, 8, 16, 32, 43, 86, 113, 172

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -100101111101100000

Octal: -457540

Duodecimal: -75B94

Hexadecimal: -25f60

Square: 24176518144

Square Root: 394.319667275169

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

E.g.f. exp(tanh(x)²) (even powers only). A9277

T(n,k)=Number of (n+1)X(k+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11 (11 maximizes T(1,1)). A233818

Number of different values obtained by evaluating all different parenthesizations of 1/2/3/4/.../n. A78389

a(0)=3; thereafter a(n) = 20·6^n-1-2^n-1. A321002

Number of (n+1) X (1+1) 0..5 arrays with every 2 X 2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11. A233811

Number of (n+1)X(6+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11. A233816