Properties of the Number -7101

One Hundred One

Basics

Value: -7102 → -7101 → -7100

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 263

Divisors: 1, 3, 9, 27, 263, 789, 2367, 7101

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101110111101

Octal: -15675

Duodecimal: -4139

Hexadecimal: -1bbd

Square: 50424201

Square Root: 84.26743143112884

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

a(n) = ∑_k=1..n gcd(k, n)³. A343497

Sum of the second largest parts of the partitions of n into 10 squarefree parts. A326636

Numbers k such that k⁴ can be written as a sum of four positive 4th powers with no common factor. A39664

Number of partitions p of n such that (number of numbers in p of form 3k+1) < (number of numbers in p of form 3k+2). A241737

G.f.: ∑_n=-oo..+oo n·xⁿ * (1 - xⁿ)ⁿ. A291937

a(n) = (9·n² + 13·n + 6)/2. A64226

a(n) = (9·n² - 5·n + 2)/2. A140064

Number of ways to write n as an ordered sum of 9 nonprime numbers. A341486

Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 627", based on the 5-celled von Neumann neighborhood. A273274

Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 825", based on the 5-celled von Neumann neighborhood. A273430