Properties of the Number 97868

Ninety-Seven Thousand Eight Hundred Sixty-Eight

Basics

Value: 97867 → 97868 → 97869

Parity: even

Prime: No

Previous Prime: 97861

Next Prime: 97871

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 43 × 569

Divisors: 1, 2, 4, 43, 86, 172, 569, 1138, 2276, 24467

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111001001100

Octal: 277114

Duodecimal: 48778

Hexadecimal: 17e4c

Square: 9578145424

Square Root: 312.83861654213985

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) = ∑_{-n<i<n, -n<j<n, gcd{i,j}=1} (n-|i|)*(n-|j|). A331771

Number of nonempty subsets of {1,2,...,n} in which exactly 1/4 of the elements are <= sqrt(n). A48096

The n-th group (n>=0) of 16 consecutive terms are the entries, read by rows, of the 4 X 4 matrix A[n]=MA[n-1] (n>=1), where M is the 4 X 4 matrix [[0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1], [1, 0, 0, 1]] and A[0] is the 4 X 4 matrix [[1, 1, 1, 1], [1, 1, 1, 2], [1, 1, 2, 3], [1, 2, 3, 4]]. A97868