Properties of the Number -194145

One Hundred Ninety-Four Thousand One Hundred Forty-Five

Basics

Value: -194146 → -194145 → -194144

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 43 ²

Divisors: 1, 3, 5, 7, 15, 21, 35, 43, 105, 129

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101111011001100001

Octal: -573141

Duodecimal: -94429

Hexadecimal: -2f661

Square: 37692281025

Square Root: 440.6188829362627

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

a(6n+k) = 3a(6n+k-1)-3a(6n+k-2)+2a(6n+k-3), k = 0, 1, 3, 4, 5; a(6n+2) = 3a(6n+1)-3a(6n). a(0) = a(1) = 0, a(2) = 1. A132658

a(n) = ∑_k=1..n k² * 4^n-k. A368529