Properties of the Number 98661

Ninety-Eight Thousand Six Hundred Sixty-One

Basics

Value: 98660 → 98661 → 98662

Parity: odd

Prime: No

Previous Prime: 98641

Next Prime: 98663

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 32887

Divisors: 1, 3, 32887, 98661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000000101100101

Octal: 300545

Duodecimal: 49119

Hexadecimal: 18165

Square: 9733992921

Square Root: 314.1034861315614

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

Triangle T(n,k) = ((-1)^n+k/(n+1))*∑_j=0..n (-1)^j*j!*Stirling2(n, j)* binomial(n-j, k)*binomial(n+j, j), read by rows. A156653

Number of (n+1) X (2+1) 0..1 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements. A251122

Triangle of coefficients of quasi-Stirling polynomials. A331998

a(n) = sum[i=1,n](i-th prime of Erdős-Selfridge classification i+). Cumulative sums of A101253. A98661