Properties of the Number -138826

One Hundred Thirty-Eight Thousand Eight Hundred Twenty-Six

Basics

Value: -138827 → -138826 → -138825

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 41 × 1693

Divisors: 1, 2, 41, 82, 1693, 3386, 69413, 138826

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001111001001010

Octal: -417112

Duodecimal: -6840A

Hexadecimal: -21e4a

Square: 19272658276

Square Root: 372.5936123982804

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

Coefficient of·in the reduction by x² -> x+1 of the polynomial p(n,x) defined at Comments. A192968

Nonnegative integers k such that the Manhattan distance between the vector of proportions of the digits 0-9 in 2^k and the uniform distribution (1/10, ..., 1/10) sets a new minimum. A393332

a(n) = ∑_k=0..n (2·n-k)!*2^k-n/k!. A202950