Properties of the Number 98770

Ninety-Eight Thousand Seven Hundred Seventy

Basics

Value: 98769 → 98770 → 98771

Parity: even

Prime: No

Previous Prime: 98737

Next Prime: 98773

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 7 × 17 × 83

Divisors: 1, 2, 5, 7, 10, 14, 17, 34, 35, 70

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: Yes

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Representations

Binary: 11000000111010010

Octal: 300722

Duodecimal: 491AA

Hexadecimal: 181d2

Square: 9755512900

Square Root: 314.2769479296883

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) = 1² + 3² + 5² + 7² + ... + (2·n-1)² = n*(4·n² - 1)/3. A447

a(n) = n*(n + 1)*(5·n - 4)/2. A237616

Irregular triangle read by rows where T(n,k) is the number of simple graphs covering n vertices with exactly k triangles, 0 <= k <= binomial(n,3). A372167

Triangle, read by rows, where T(n,k) = C(C(n+2,3) - C(k+2,3), n-k) for n >= k >= 0. A126445

Squarefree tetrahedral numbers. A70755

Binomial coefficients C(85,n). A17801

a(n) = binomial(3·n + 1,3). A228887

a(n) = (5·n + 3)*(5·n + 4)*(5·n + 5)/6. A300522

Binomial coefficients C(n,82). A17746

Sequence related to Hankel transform of super-ballot numbers. A156126