Properties of the Number 84378

Eighty-Four Thousand Three Hundred Seventy-Eight

Basics

Value: 84377 → 84378 → 84379

Parity: even

Prime: No

Previous Prime: 84377

Next Prime: 84389

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 ³ × 41

Divisors: 1, 2, 3, 6, 7, 14, 21, 41, 42, 49

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100110011010

Octal: 244632

Duodecimal: 409B6

Hexadecimal: 1499a

Square: 7119646884

Square Root: 290.47891489745

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

The least number k > A255334(n) for which A000203(k) = A000203(A255334(n)) and A007947(k) = A007947(A255334(n)), where A000203 gives the sum of divisors, and A007947 gives the squarefree kernel of n. A255423

Numbers n for which there exists k < n such that A000203(k) = A000203(n) and A007947(k) = A007947(n), where A000203 gives the sum of divisors, and A007947 gives the squarefree kernel of n. A255335

Number of (binary) bit strings in which no even length block of 0's is followed by an even length block of 1's. A65494

Numbers k such that φ(k)*σ(k) is a cube. A114077

a(n) = n³ + 3. A84378

Array of coefficients of powers of x² for (S(2·n+1,x)/x)³, with Chebyshev's S polynomials A049310. A220665