Properties of the Number 22125

Twenty-Two Thousand One Hundred Twenty-Five

Basics

Value: 22124 → 22125 → 22126

Parity: odd

Prime: No

Previous Prime: 22123

Next Prime: 22129

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ³ × 59

Divisors: 1, 3, 5, 15, 25, 59, 75, 125, 177, 295

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011001101101

Octal: 53155

Duodecimal: 10979

Hexadecimal: 566d

Square: 489515625

Square Root: 148.74474780643516

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

Arithmetic derivative of the primorial base exp-function: a(n) = A003415(A276086(n)). A327860

Thickened pyramidal numbers: a(n) = 2*(n+1)*n + ∑_i=1..n (4·i*(i-1) + 1). A50533

Numbers k such that triangular(k) - x and y - triangular(k) are both triangular numbers (A000217), where·is the nearest square below triangular(k), y is the nearest square above triangular(k). A234143

Fibonacci sequence beginning 3, 12. A22380

Denominator of ratio A003415(n) / A003415(A276086(n)), where A003415 is the arithmetic derivative and A276086 is the primorial base exp-function. A369039

Semiperimeter of primitive Pythagorean triangles having legs that add up to a square, sorted on hypotenuse. A89549

Numbers having four 3's in base 9. A43468

Fibonacci sequence beginning 3, 14. A22125

Integers k such that k² is of form y² + y + x² + x for positive y, x. A235375