Properties of the Number 98121

Ninety-Eight Thousand One Hundred Twenty-One

Basics

Value: 98120 → 98121 → 98122

Parity: odd

Prime: No

Previous Prime: 98101

Next Prime: 98123

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 32707

Divisors: 1, 3, 32707, 98121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111101001001

Octal: 277511

Duodecimal: 48949

Hexadecimal: 17f49

Square: 9627730641

Square Root: 313.2427173933977

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) is the n-th J₄-prime (Josephus₄ prime). A163784

a(n) = ∑_{k=0..floor(n/3)} binomial(n+k-1,k) * binomial(n-1,n-3·k). A389376

Harshad numbers that are also perfect powers. A98121