Properties of the Number -9830

Eight Hundred Thirty

Basics

Value: -9831 → -9830 → -9829

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 983

Divisors: 1, 2, 5, 10, 983, 1966, 4915, 9830

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011001100110

Octal: -23146

Duodecimal: -5832

Hexadecimal: -2666

Square: 96628900

Square Root: 99.1463564635635

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 (1-x)/(1-x+2·x³). A78014

Inverse Mertens function: smallest k such that |M(k)| = n, where M(x) is Mertens's function A002321. A51402

Floor(X/Y) where X = concatenation of the (n+1)-st even number through the (2n)-th even number and Y = concatenation of first n even numbers. A67091

Starts of runs of 3 consecutive tribonacci-Niven numbers (A352089). A352091

Smallest value of·such that M(x) = -n, where M(x) is Mertens's function A002321. A51401

Natural numbers k such that k is a multiple of its number of "feasible" partitions. A254438

a(n) = 3·a(n-1) + 4·a(n-2), with a(0)=1, a(1)=2. A122117

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum unequal to 4 or 5 and every diagonal and antidiagonal sum equal to 4 or 5. A251905

Number of integer partitions of n whose weighted sum is not divisible by n. A362560

Numbers that are the sum of ten fourth powers in ten or more ways. A345603