Properties of the Number -143289

One Hundred Forty-Three Thousand Two Hundred Eighty-Nine

Basics

Value: -143290 → -143289 → -143288

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 29 × 61

Divisors: 1, 3, 9, 27, 29, 61, 81, 87, 183, 261

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010111110111001

Octal: -427671

Duodecimal: -6AB09

Hexadecimal: -22fb9

Square: 20531737521

Square Root: 378.53533520663564

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

Expansion of 1/(1 - x*∏_k>=1 (1 + x^k)/(1 - x^k)). A299108

Positive integers k such that (k+1)⁴ has a divisor congruent to -1 modulo k. A350916

a(0) = 9, a(1) = 9, and a(n) = 3·a(n-1) - a(n-2) - 4 for n >= 2. A350919