Properties of the Number 3405

Three Thousand Four Hundred Five

Basics

Value: 3404 → 3405 → 3406

Parity: odd

Prime: No

Previous Prime: 3391

Next Prime: 3407

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 227

Divisors: 1, 3, 5, 15, 227, 681, 1135, 3405

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101001101

Octal: 6515

Duodecimal: 1B79

Hexadecimal: d4d

Square: 11594025

Square Root: 58.35237784358063

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

Structured great rhombicosidodecahedral numbers. A100145

a(n) = ∑_d∣3 φ(d)*n^3/d. A54602

Weak Goodstein numbers: a(n) = g_n(n), where g_n(n) is the weak Goodstein function. A266202

G.f.: ∑_{k >= 1} x^k/(1-x^k)^k+1. A81543

Toothpick sequence on the hexagonal net starting from a node. A182632

Expansion of ∏_{i in A069909} 1/(1 - xⁱ). A69911

a(n) = n + (n-1)² + (n+1)². A96376

a(n) = 15·a(n-1) + a(n-2) with a(0) = 0, a(1) = 1. A154597

Denominators of continued fraction convergents to sqrt(229). A41427

Number of ordered pairs of integers (x,y) with x²+y² < n². A51132