Properties of the Number -821641

Eight Hundred Twenty-One Thousand Six Hundred Forty-One

Basics

Value: -821642 → -821641 → -821640

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 821641

Divisors: 1, 821641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001000100110001001

Octal: -3104611

Duodecimal: -3375A1

Hexadecimal: -c8989

Square: 675093932881

Square Root: 906.4441516166344

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(n) = prime(2ⁿ). A33844

a(n) = prime(4ⁿ). A119772

a(n) = A122111(A225546(n)). A336321

a(n) = prime(n⁴). A109791

(16ⁿ)-th prime. A119777

Numbers that begin a run of consecutive integers k such that PrimePi(k) divides 2^k. A73799

Integers whose rote weight and rote height are equal, sorted by the equated value. A111794

a(n) = prime(2^2ⁿ). A95124