Properties of the Number 12225

Twelve Thousand Two Hundred Twenty-Five

Basics

Value: 12224 → 12225 → 12226

Parity: odd

Prime: No

Previous Prime: 12211

Next Prime: 12227

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 163

Divisors: 1, 3, 5, 15, 25, 75, 163, 489, 815, 2445

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111000001

Octal: 27701

Duodecimal: 70A9

Hexadecimal: 2fc1

Square: 149450625

Square Root: 110.56672193747991

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

Sum of ordered factorizations over all prime signatures with n factors. A35341

Number of partitions of n into 7 or more distinct parts. A347574

a(n) = 12·n² + 22·n + 11. A154106

Numbers m such that both m²-1 and m² are refactorable numbers (A033950) and that m² has more divisors than m²-1. A342970

Numbers having four 3's in base 6. A43384

Numbers whose sum of even digits and sum of odd digits are equal and whose digits are in nondecreasing order. A340125

a(n) = ∑_i=0..2n (-1)ⁱ * T(i,2n-i), array T as in A049735. A49737

Concatenation of first n numbers - n!. a(n) = 1234567891011... up to n - 1·2*3·4*5·6*7·8*9·10·11... up to n. A83448

G.f. satisfies: A(x/A(x)³) = 1 + x·A(x)². A217794

a(n) is the binary XOR of all n-bit triangular numbers. A298818