Properties of the Number 98728

Ninety-Eight Thousand Seven Hundred Twenty-Eight

Basics

Value: 98727 → 98728 → 98729

Parity: even

Prime: No

Previous Prime: 98717

Next Prime: 98729

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 7 × 41 × 43

Divisors: 1, 2, 4, 7, 8, 14, 28, 41, 43, 56

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000000110101000

Octal: 300650

Duodecimal: 49174

Hexadecimal: 181a8

Square: 9747217984

Square Root: 314.2101207790736

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) = binomial(8·n+4,n)/(2·n+1). A234463

a(n) = floor(n*(n-1)*(n-2)*(n-3)/30). A11940

a(n) = (n-5)*(n-6)*(n-7)*(n-16)/24. A167543

Numbers that are representable in at least two ways as sums of four distinct nonvanishing cubes. A259060

a(n) = coefficient of xⁿ in the (n+1)-th iteration of ∑_k>=0 x^{2^k}, n>=1. A168366

Number of nX4 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300502

a(0) = 1; a(n) = ∑_{k=0..floor((n-1)/7)} a(7·k) * a(n-1-7·k). A386396

Consider the sequence {b(n), n >= 1} of digits of the natural (or counting) numbers: 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0... (A007376); a(n) = n - b(n). A98728

a(n) = coefficient of xⁿ in the n-th iteration of ∑_k>=0 x^{2^k}, n>=1. A168362

a(n) = coefficient of xⁿ in the (n-1)-th iteration of ∑_k>=0 x^{2^k}, n>=1. A168365