Properties of the Number -180718

One Hundred Eighty Thousand Seven Hundred Eighteen

Basics

Value: -180719 → -180718 → -180717

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 90359

Divisors: 1, 2, 90359, 180718

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101100000111101110

Octal: -540756

Duodecimal: -886BA

Hexadecimal: -2c1ee

Square: 32658995524

Square Root: 425.1093976848783

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

T(n,k)=Number of nXk 0..1 arrays with row sums and column sums unimodal. A223716

Number of nX3 0..1 arrays with row sums and column sums unimodal. A223712

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Lucas numbers), t = A000201 (lower Wythoff sequence). A25094