Properties of the Number -205253

Two Hundred Five Thousand Two Hundred Fifty-Three

Basics

Value: -205254 → -205253 → -205252

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 205253

Divisors: 1, 205253

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010000111000101

Octal: -620705

Duodecimal: -9A945

Hexadecimal: -321c5

Square: 42128794009

Square Root: 453.0485625184126

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

Define a sequence of real numbers by b(1)=2, b(n+1) = b(n) + log₂(b(n)); a(n) = smallest i such that b(i) >= 2ⁿ. A229168

Boustrophedon transform of triangular numbers. A746

Number of partitions of the n-th triangular number n(n+1)/2 into distinct odd parts. A126683

Number of sequences of length n with elements {-2,-1,+1,+2}, counted up to simultaneous reversal and negation, such that the sum of elements of the whole sequence but of no proper subsequence equals 0 modulo n. For n>=4, the number of Hamiltonian (undirected) cycles on the circulant graph C_n(1,2). A137726

Expansion of (3-2·x)/(1-x-x³)+x/(1-x)²+x/(1-x²). A226509

Number of (undirected) Hamiltonian cycles in the n-antiprism graph. A306447