Properties of the Number 84441

Eighty-Four Thousand Four Hundred Forty-One

Basics

Value: 84440 → 84441 → 84442

Parity: odd

Prime: No

Previous Prime: 84437

Next Prime: 84443

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 4021

Divisors: 1, 3, 7, 21, 4021, 12063, 28147, 84441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100111011001

Octal: 244731

Duodecimal: 40A49

Hexadecimal: 149d9

Square: 7130282481

Square Root: 290.5873362691499

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) = ∑_i=1..n-1(i^n-2) mod n⁴. A284760

a(n) = A175369(n³). A175371

Primes that can be written as 1+p+p^k, p prime and k > 0. A84441

Indices of primes in sequence defined by A(0) = 81, A(n) = 10·A(n-1) + 31 for n > 0. A101066

Numbers n such that 8·10ⁿ + 4·R_n - 3 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A103079