Properties of the Number -9839

Eight Hundred Thirty-Nine

Basics

Value: -9840 → -9839 → -9838

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 9839

Divisors: 1, 9839

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -10011001101111

Octal: -23157

Duodecimal: -583B

Hexadecimal: -266f

Square: 96805921

Square Root: 99.1917335265394

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 symmetrical triangular sequence adjusted by -t[n,-1]+1 :t(n,m)=If[n == 0, 1, Sum[Eulerian[n + 1, k]*(-1)^k*(m + 1 - k)ⁿ, {k, 0, n}]]. A174587

Number of integer partitions of n whose parts do not have the same mean as median. A359894

Number of ways to split an integer partition of n into consecutive subsequences of equal length. A323433

Primes such that the sum of the predecessor and successor primes is divisible by 37. A113156

Primes p such that (p-1)/2 and (p-3)/4 are also prime. A66179

Class 6- primes (for definition see A005109). A81425

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

a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n-1 <= 2^p+1, with a(1) = a(2) = 1 and a(3) = 2. A49939

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise. A236490

Primes of the form 16·k-1 such that 4·k-1 and 8·k-1 are also primes. A101793