Properties of the Number -171918

One Hundred Seventy-One Thousand Nine Hundred Eighteen

Basics

Value: -171919 → -171918 → -171917

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 9551

Divisors: 1, 2, 3, 6, 9, 18, 9551, 19102, 28653, 57306

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001111110001110

Octal: -517616

Duodecimal: -835A6

Hexadecimal: -29f8e

Square: 29555798724

Square Root: 414.62995550249383

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

C(2n-1,n-1) mod n⁴. A99908

a(n) = binomial(2·c-1, c-1) (mod c⁴), where c is the n-th composite number. A298946

Number of planar partitions of n with strictly decreasing columns and where parts decrease by at most 1 along each row. A392637