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Properties of the Number 3218

Three Thousand Two Hundred Eighteen

Basics

Value: 3217 → 3218 → 3219

Parity: even

Prime: No

Previous Prime: 3217

Next Prime: 3221

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 1609

Divisors: 1, 2, 1609, 3218

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 110010010010

Octal: 6222

Duodecimal: 1A42

Hexadecimal: c92

Square: 10355524

Square Root: 56.72741841473134

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 corners, or planar partitions of n with only one row and one column. A6330
Snowflake (or E-toothpick) sequence (see Comments lines for definition). A161330
Alternately constant partitions. Number of integer partitions y of n such that yi = yi+1 for all odd i. A351004
T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. A222690
Conjecturally largest even integer which is an unordered sum of two primes in exactly n ways. A954
a(n) = a(n-1) + a(m) for n >= 4, where m = 2p+1 + 2 - n and p is the unique integer such that 2p < n - 1 <= 2p+1, starting with a(1) = a(2) = a(3) = 1. A50025
Number of integer partitions of n such that the upper-left square of the Young diagram has strictly greater graph-distance from the lower-right boundary than any other square. A325187
Number of strict integer partitions of n such that every pair of distinct parts has a different quotient. A325854
Number of circular chord diagrams with n chords, up to rotational symmetry. A7474
Number of polyiamonds with n cells that tile the plane isohedrally but not by translation or by 180-degree rotation (Conway criterion). A75222