Properties of the Number -20877

Twenty Thousand Eight Hundred Seventy-Seven

Basics

Value: -20878 → -20877 → -20876

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 6959

Divisors: 1, 3, 6959, 20877

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101000110001101

Octal: -50615

Duodecimal: -100B9

Hexadecimal: -518d

Square: 435849129

Square Root: 144.4887538876296

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>0 ((1-x^5k-2) * (1-x^5k-3)/((1-x^5k-1) * (1-x^5k-4)))³ in powers of x. A285443

Number of partitions of n with some part repeated. A47967

Number of partitions of n with at least 1 odd and 1 even part. A6477

Denominators of continued fraction convergents to sqrt(774). A42493

Difference between the numbers of trees on n vertices with an even number and an odd number of leaves. A262395

Numbers k such that p(k) + p(k+1) + p(k+2) = A122706(n)ⁿ, where p(k) is a k-th prime. A157197

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 966", based on the 5-celled von Neumann neighborhood. A273837

Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 96. A31594