Properties of the Number -6825

Eight Hundred Twenty-Five

Basics

Value: -6826 → -6825 → -6824

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 7 × 13

Divisors: 1, 3, 5, 7, 13, 15, 21, 25, 35, 39

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101010101001

Octal: -15251

Duodecimal: -3B49

Hexadecimal: -1aa9

Square: 46580625

Square Root: 82.61355820929153

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

Triangle read by rows, T(n,k) = (-1)^k*{{n,k}} where {{n,k}} are the second-order Stirling set numbers, n>=0, 0<=k<=n/2. A137375

Inverse binomial transform of A140359. A140360

Odd abundant numbers (odd numbers m whose sum of divisors exceeds 2m). A5231

Odd primitive abundant numbers. A6038

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

Triangle T(n,k) of associated Stirling numbers of second kind, n >= 2, 1 <= k <= floor(n/2). A8299

Sum of 10 nonzero 8th powers. A3388

Triangle of Ward numbers T(n,k) read by rows. A134991

Expansion of f(x, -x⁴) / φ(-x²) in powers of·where f(, ) and φ() are Ramanujan θ functions. A122135

Number of integer partitions of n whose weak run-sums cover an initial interval of nonnegative integers. A353863