Properties of the Number 6478

Six Thousand Four Hundred Seventy-Eight

Basics

Value: 6477 → 6478 → 6479

Parity: even

Prime: No

Previous Prime: 6473

Next Prime: 6481

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 41 × 79

Divisors: 1, 2, 41, 79, 82, 158, 3239, 6478

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101001110

Octal: 14516

Duodecimal: 38BA

Hexadecimal: 194e

Square: 41964484

Square Root: 80.48602363143554

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

Number of partitions of n containing a clique of size 1. A183558

a(n) = (prime(n)+1)*(prime(n+1)+1)/4. A79079

Numbers k such that Bernoulli number B_k has denominator 498. A282773

Sum of the third largest parts of the partitions of n into 10 squarefree parts. A326635

Expansion of ∏_k>=1 1/(1-x^3·k-1)^3·k-1. A262946

a(n) = T(n,n-3), array T as in A055818. A55820

Square array A(n, k) = 2·A246278(n, k) - σ(A246278(n, k)), read by falling antidiagonals. Deficiency applied to the prime shift array. A378979

Zero, together with positive numbers k such that prime(k) + k is a square. A64371

Sphenic numbers (A007304) whose neighbors are sphenic. A248202

a(n) = n³ - n² - n - 1. A83074