Properties of the Number -143078

One Hundred Forty-Three Thousand Seventy-Eight

Basics

Value: -143079 → -143078 → -143077

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 13 × 5503

Divisors: 1, 2, 13, 26, 5503, 11006, 71539, 143078

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100010111011100110

Octal: -427346

Duodecimal: -6A972

Hexadecimal: -22ee6

Square: 20471314084

Square Root: 378.2565267117013

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

Principal diagonal of the convolution array A213505. A213546

Even numbers of the form floor( binomial(2k, 2j)/binomial(k, j)). A111304

Number of (n+1)X(n+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. A253691

a(n) = ∑_{k=1..floor(n/2)} k² * (n-k)². A337173