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Properties of the Number -55980

Fifty-Five Thousand Nine Hundred Eighty

Basics

Value: -55981 → -55980 → -55979

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 2 × 3 2 × 5 × 311

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -1101101010101100

Octal: -155254

Duodecimal: -28490

Hexadecimal: -daac

Square: 3133760400

Square Root: 236.60092983756425

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

Triangle of numbers T(n,k) = k!*Stirling2(n,k) read by rows (n >= 1, 1 <= k <= n). A19538
a(n) = 3n - 3·2n + 3. A1117
T(n, k) = ∑j=0..n-k (-1)j*binomial(n - k + 1, j)*(n - k + 1 - j)n. Triangle read by rows, T(n, k) for 1 <= k <= n. A90582
Number of palindromes of length n using exactly three different symbols. A56454
Number of periodic palindromes using exactly three different symbols. A56489
Number of primitive (aperiodic) palindromes using exactly three different symbols. A56464
The 3rd Witt transform of A000292. A147621
Number of primitive (period n) periodic palindromes using exactly three different symbols. A56499
Number of partitions of n containing at least one part m-3 if m is the largest part. A212543
a(n) = ∑k=2..n 6k. A247840