Properties of the Number 3486

Three Thousand Four Hundred Eighty-Six

Basics

Value: 3485 → 3486 → 3487

Parity: even

Prime: No

Previous Prime: 3469

Next Prime: 3491

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 83

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 83, 166

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110011110

Octal: 6636

Duodecimal: 2026

Hexadecimal: d9e

Square: 12152196

Square Root: 59.04235767650204

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

Hexagonal numbers: a(n) = n*(2·n-1). A384

Triangular numbers (A000217) with prime indices. A34953

3 times pentagonal numbers: 3·n*(3·n-1)/2. A62741

Square array A(n,k), n>=0, k>=0, read by antidiagonals: A(n,k) is the number of k-element subsets that can be chosen from {1,2,...,k·n} having element sum k*(k·n+1)/2. A204459

a(n) = 2·n*(4·n - 1). A14635

Expansion of Jacobi θ constant theta₂⁶ /(64q^3/2). A8440

a(n) = (2·n - 1)*(3·n² - 3·n + 2)/2. A63491

Even triangular numbers. A14494

Triangle of numbers related to A000330 (sum of squares) and A000364 (Euler numbers). A60058

Number of multisets summing to n not equal to the first sums of any nonempty multiset. A390447