Properties of the Number 78393

Seventy-Eight Thousand Three Hundred Ninety-Three

Basics

Value: 78392 → 78393 → 78394

Parity: odd

Prime: No

Previous Prime: 78367

Next Prime: 78401

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 3733

Divisors: 1, 3, 7, 21, 3733, 11199, 26131, 78393

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011001000111001

Octal: 231071

Duodecimal: 39449

Hexadecimal: 13239

Square: 6145462449

Square Root: 279.9874997209697

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

Square array T(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where T(n,k) = ∑_j=1..n j·floor(n/j)^k. A350106

a(n) = 49·n² - 7. A158484

Number of ordered triples (w,x,y) with all terms in {-n, ..., -1, 1, ..., n} and 4w + x + y > 0. A211629

a(n) = 10·a(n-1) - a(n-2), starting with a(0) = 2 and a(1) = 10. A87799

Squarefree numbers which can be written as sum of a positive square and a positive cube. A78393