Properties of the Number -181916

One Hundred Eighty-One Thousand Nine Hundred Sixteen

Basics

Value: -181917 → -181916 → -181915

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 7 × 73 × 89

Divisors: 1, 2, 4, 7, 14, 28, 73, 89, 146, 178

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101100011010011100

Octal: -543234

Duodecimal: -89338

Hexadecimal: -2c69c

Square: 33093431056

Square Root: 426.5161192733517

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

G.f.: 1 + 1·x/(1 + 2·x²/(1 + 3·x³/(1 + 4·x⁴/(1 + 5·x⁵/(1 + ...))))). A343468

Numbers M(n) which are the number of terms in the sums of consecutive cubed integers equaling a squared integer, b³ + (b+1)³ + ... + (b+M-1)³ = c², for a first term b(n) being an odd squared integer (A016754). A253707

Triangle read by rows where T(n,k) is the number of patterns of length n with k runs. A335461

Triangle read by rows where T(n,k) is the number of length-n sequences covering an initial interval of positive integers with k maximal anti-runs. A337506

Number of length-n sequences covering an initial interval of positive integers with exactly two maximal anti-runs, or with one pair of adjacent equal parts. A337507