Properties of the Number -161867

One Hundred Sixty-One Thousand Eight Hundred Sixty-Seven

Basics

Value: -161868 → -161867 → -161866

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 157 × 1031

Divisors: 1, 157, 1031, 161867

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111100001001011

Octal: -474113

Duodecimal: -7980B

Hexadecimal: -2784b

Square: 26200925689

Square Root: 402.3269814466835

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 ∏_k>=1 1/(1+x^k)^k² in powers of x. A284896

Triangle T(n,k) by rows: T(n, k) = (3·n-3·k+1)*T(n-1, k-1) +(3·k-2)*T(n-1, k) + 3·T(n-2, k-1) with T(n, 1) = T(n, n) = 1. A144440