Properties of the Number -177645

One Hundred Seventy-Seven Thousand Six Hundred Forty-Five

Basics

Value: -177646 → -177645 → -177644

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 13 × 911

Divisors: 1, 3, 5, 13, 15, 39, 65, 195, 911, 2733

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101011010111101101

Octal: -532755

Duodecimal: -86979

Hexadecimal: -2b5ed

Square: 31557746025

Square Root: 421.4795368698224

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(n) = ∑_{k=0..floor(n/2)} (-1)^k * (3·k+1) * binomial(3·n-3·k+1,n-2·k)/(3·n-3·k+1). A389697

Convolution of A000041 and A237271. A390878