Properties of the Number 3385

Three Thousand Three Hundred Eighty-Five

Basics

Value: 3384 → 3385 → 3386

Parity: odd

Prime: No

Previous Prime: 3373

Next Prime: 3389

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 677

Divisors: 1, 5, 677, 3385

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100111001

Octal: 6471

Duodecimal: 1B61

Hexadecimal: d39

Square: 11458225

Square Root: 58.180752831155424

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

Centered triangular numbers: a(n) = 3·n*(n-1)/2 + 1. A5448

a(n)-th and (a(n)+1)-st primes are the first pair of primes that differ by exactly 2n; a(n) = -1 if no such pair of primes exists. A38664

Numbers k such that k, k+1 and k+2 are products of two primes. A56809

Indices of primes where largest gap occurs. A5669

Expansion of b(2)*b(4)*b(6)/(x⁸-x⁴-x+1), where b(k) = (1-x^k)/(1-x). A265055

Smallest of three consecutive squarefree numbers k, k+1, k+2 of the form p·q where p and q are distinct primes. A39833

Numbers n with prime signature(n) = prime signature(n+1) = prime signature(n+2). A52214

Numbers that can be written as s^x + t^y + u^z with 1 < s < t < u and {s,t,u} = {x,y,z} (the sequence of exponents can be any permutation of s,t,u). A385233

Triangle read by rows: T(n,k), n >=1, 0 <= k <= C(n,k), = number of n X n symmetric positive definite matrices with 2's on the main diagonal and 1's and 0's elsewhere and with k 1's above the diagonal. A80858

Index of the primes of A205827, A000720(A205827(n)). A214935