Properties of the Number -5690

Six Hundred Ninety

Basics

Value: -5691 → -5690 → -5689

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 569

Divisors: 1, 2, 5, 10, 569, 1138, 2845, 5690

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1011000111010

Octal: -13072

Duodecimal: -3362

Hexadecimal: -163a

Square: 32376100

Square Root: 75.43208866258443

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(n) = ∑_{k=0..floor(n/4)} (-1)^k * binomial(n-3·k,k) * Catalan(k). A360026

Number of partitions of n into partition numbers. A7279

Number of tilings of a 5 X n rectangle using n pentominoes of shapes W, I, L, F. A247680

Cluster series for b.c.c. lattice. A3210

a(n) is the number of numbers m such that the number of iterations of r -> r - (largest divisor d < r) needed to reach 1 starting at r = m is equal to n. A175125

Number of ethylene derivatives with n carbon atoms. A631

a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 3, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n-1 <= 2^p+1, starting with a(1) = a(2) = 1. A49943

Principal diagonal of the convolution array A213825. A213826

a(n) = ∑_k=0..n (k+1)^n-1*k!*StirlingS2(n,k). A191908

Number of (w,x,y,z) with all terms in {1,...,n} and 2w=x+y+z. A212068