Properties of the Number -9784

Seven Hundred Eighty-Four

Basics

Value: -9785 → -9784 → -9783

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 1223

Divisors: 1, 2, 4, 8, 1223, 2446, 4892, 9784

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011000111000

Octal: -23070

Duodecimal: -57B4

Hexadecimal: -2638

Square: 95726656

Square Root: 98.91410415102591

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

Numbers k for which 10k+1, 10k+3, 10k+7 and 10k+9 are primes. A7811

Number of integer partitions of n that cannot be partitioned into two or more blocks with equal sums. A321451

Sequence is defined by the condition that ∑_d∣n a(d)^n/d = 1 if n=1, = 0 if n>1. A260685

Number of n-state Turing machines which halt. A4147

a(n) = A188491(n-1) + A188495(n-1) + A188497(n-1). A188493

Numbers k such that 3·2^k + 5 is prime. A57913

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two sums of the central column and central row nondecreasing horizontally and vertically. A258522

Expansion of ∏_{i>0, j>0, k>0} (1 + x^{i² + j² + k²}). A321429

Number of self numbers <= 10ⁿ. A382452

Triangle, read by rows, such that column n equals the row sums of A001263ⁿ, which is the n-th matrix power of the Narayana triangle A001263, for n>=0. A105556