Properties of the Number 16225

Sixteen Thousand Two Hundred Twenty-Five

Basics

Value: 16224 → 16225 → 16226

Parity: odd

Prime: No

Previous Prime: 16223

Next Prime: 16229

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 11 × 59

Divisors: 1, 5, 11, 25, 55, 59, 275, 295, 649, 1475

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11111101100001

Octal: 37541

Duodecimal: 9481

Hexadecimal: 3f61

Square: 263250625

Square Root: 127.37739202856997

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

Diagonal in array of n-gonal numbers A081422. A81437

Seaweeds(n): number of n-step self-avoiding walks on upper two quadrants grid starting at origin. A116903

Numbers k such that the average of the divisors of k and k+1 is the same. A238380

Numbers n such that the decimal number concat(6,n) is a square. A273361

Number of partitions of n having no perfect cube parts (n>=0). A264393

Number of pairs with two different elements which can be obtained by selecting unique elements from two sets with n+1 and n² elements respectively and n common elements. A85490

a(n) = T(n, 2·n-6), T given by A027960. A27968

Ulam's spiral (ENE spoke). A143856

a(n) = 24·n² + 1. A158547

a(n) = (4·n + 3)*(1 + 2·n²)/3. A168574