Properties of the Number -7197

One Hundred Ninety-Seven

Basics

Value: -7198 → -7197 → -7196

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 2399

Divisors: 1, 3, 2399, 7197

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110000011101

Octal: -16035

Duodecimal: -41B9

Hexadecimal: -1c1d

Square: 51796809

Square Root: 84.8351342310484

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

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 24. A51965

Triangle read by rows: T(n,k) is the number of normal sequences of length n whose standard factorization into Lyndon words (aperiodic necklaces) has k factors. A296372

Number of times prime(n) occurs as the least prime factor among numbers 1 .. prime(n)³: a(n) = A078898(A030078(n)). A250474

Triangle of 2-Eulerian numbers. A144696

Number of integer partitions of n with weighted alternating sum 0. A363532

Numbers such that, in base 10, all their proper prefixes and suffixes represent primes. A254751

Composite numbers with only prime proper prefixes and suffixes in base 10. A254753

Number of distinct products ijk with 0 <= i,j,k <= n. A27426

Matrix square of triangle A107876; equals matrix product of triangles: A107876² = A107862^-1·A107870 = A107867^-1·A107873. A107880

a(n) = 9·n² - 13·n + 5. A214675