Properties of the Number -133225

One Hundred Thirty-Three Thousand Two Hundred Twenty-Five

Basics

Value: -133226 → -133225 → -133224

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 73 ²

Divisors: 1, 5, 25, 73, 365, 1825, 5329, 26645, 133225

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000100001101001

Octal: -404151

Duodecimal: -65121

Hexadecimal: -20869

Square: 17748900625

Square Root: 365

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

Bending a piece of wire of length n+1; walks of length n+1 on a tetrahedron; also non-branched catafusenes with n+2 condensed hexagons. A1998

Crystal ball sequence for D₄ lattice. A7204

a(n) = (14·n+1)². A134934

Number of disconnected regular simple graphs on n vertices with girth at least 5. A185215

Squares whose largest digit is 5. A295015

a(n) = (10·n + 5)². A17330

a(1) = 2; for n>1, a(n) is the smallest square > a(n-1) obtained by inserting digits into a(n-1). A68176

Structured rhombic triacontahedral numbers (vertex structure 7). A100165

The numbers n² as n runs through the numbers which are palindromes in base 2. A192775

Numbers k with the property that it is possible to write the base 2 expansion of k as concat(a₂,b₂), with a₂>0 and b₂>0 such that, converting a₂ and b₂ to base 10 as a and b, we have (a+b)² = k. A258844