Properties of the Number -142848

One Hundred Forty-Two Thousand Eight Hundred Forty-Eight

Basics

Value: -142849 → -142848 → -142847

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁹ × 3 ² × 31

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -100010111000000000

Octal: -427000

Duodecimal: -6A800

Hexadecimal: -22e00

Square: 20405551104

Square Root: 377.9523779525669

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

Number of subsets of {2...n} containing no element whose prime indices all belong to the subset. A324739

Total number of inversions in all permutations of [n] where the descent set equals the subset of odd elements in [n-1]. A337193

a(n) = 441·n² - 2·n. A157737

Numbers k such that A000005(k) = A000688(k). A369168

Sum of odd divisors of Fibonacci(n). A193293

Numbers n such that the digital sum of n is the same as the digital sum of n² in both base 2 and base 10. A261640