Properties of the Number 6216

Six Thousand Two Hundred Sixteen

Basics

Value: 6215 → 6216 → 6217

Parity: even

Prime: No

Previous Prime: 6211

Next Prime: 6217

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 7 × 37

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1100001001000

Octal: 14110

Duodecimal: 3720

Hexadecimal: 1848

Square: 38638656

Square Root: 78.8416133777081

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

Generalized 29-gonal (or icosienneagonal) numbers: m*(27·m - 25)/2 with m = 0, +1, -1, +2, -2, +3, -3, ... A303815

Sum of all partitions of n into distinct parts. A66189

Stack polyominoes with square core. A188674

a(n) = 2·n*(4·n - 1). A14635

Staggered diagonal of triangular spiral in A051682. A81266

Table read by rows: T(n,k) = the number of regions with k sides, k >= 3, in a Farey diagram of order (n,n). A358885

T(n,k)=Number of length n+4 0..k arrays with no disjoint pairs in any consecutive five terms having the same sum. A247404

Numbers k such that σ(x) = k has exactly 6 solutions. A60662

Numbers k such that φ(x) = k has exactly 11 solutions. A60674