Properties of the Number -201597

Two Hundred One Thousand Five Hundred Ninety-Seven

Basics

Value: -201598 → -201597 → -201596

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 41 × 149

Divisors: 1, 3, 11, 33, 41, 123, 149, 447, 451, 1353

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110001001101111101

Octal: -611575

Duodecimal: -987B9

Hexadecimal: -3137d

Square: 40641350409

Square Root: 448.9955456349205

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

Expansion of series related to Liouville's Last Theorem: g.f. ∑_t>0 (-1)^t+1 *x^t*(t+1/2) / ( (1-x^t)⁸ *∏_i=1..t (1-xⁱ) ). A59825

Numbers k such that k and k+1 have the same sum but an unequal number of divisors. A54007

Triangle T(n,k) giving the largest member of "the infinite trunk of factorial beanstalk" (A219666) whose factorial base representation contains n digits (A084558) and the most significant such digit (A099563) is k. A230429

Numbers k such that s(k) = s(k+1), where s(k) is the sum of recursive divisors of k (A333926). A333949

Numbers k such that k and k+1 have the same sum of unitary and nonunitary divisors. A64729

Numbers k such that sigmawt(k) = sigmawt(k+1), where sigmawt(k) is the sum of the divisors of k weighted by divisor multiplicity in k. A171183

Numbers k such that s(k) = s(k+1) where s(k) is the sum of unitary, squarefree divisors of k, including 1 (A092261). A327875

Numbers k such that A051378(k) = A051378(k+1). A349283