Properties of the Number -5408

Four Hundred Eight

Basics

Value: -5409 → -5408 → -5407

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁵ × 13 ²

Divisors: 1, 2, 4, 8, 13, 16, 26, 32, 52, 104

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010100100000

Octal: -12440

Duodecimal: -3168

Hexadecimal: -1520

Square: 29246464

Square Root: 73.53910524340094

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

a(1) = 1; a(n) = n² * ∑_{d∣n, d < n} (-1)^n/d a(d) / d². A361987

Coefficient table for sums over product of adjacent Chebyshev S-polynomials. A128497

a(n) = period of the sequence {b(m), m>=0}, defined by b(m):=binomial(m+n,n) mod n. A133900

Achilles numbers - powerful but imperfect: if n = Product(p_i^e_i) then all e_i > 1 (i.e., powerful), but the highest common factor of the e_i is 1, i.e., not a perfect power. A52486

Number of integer partitions of n without any three parts (a,b,c) (repeats allowed) satisfying a + b = c. A variation of sum-free partitions. A364345

a(n) = 8·n². A139098

Heinz numbers of perfect integer partitions. A325780

Expansion of ∏_k>=1 ((1 + x^k)/(1 - x^k))^sigma₀(k). A301554

Number of integer partitions of n such that, for all parts x, x - 1 or x + 1 is also a part. A355394

Inverse binomial transform of A005614, the rabbit sequence: (1, 0, 1, 1, 0, ...). A124841