Properties of the Number 99421

Ninety-Nine Thousand Four Hundred Twenty-One

Basics

Value: 99420 → 99421 → 99422

Parity: odd

Prime: No

Previous Prime: 99409

Next Prime: 99431

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 2029

Divisors: 1, 7, 49, 2029, 14203, 99421

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000010001011101

Octal: 302135

Duodecimal: 49651

Hexadecimal: 1845d

Square: 9884535241

Square Root: 315.3109576275458

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

O.g.f. satisfies A³(z) = 1/(1 - z)*( BINOMIAL(BINOMIAL(A(z))) )². A258378

Numbers k such that there is no integer partition of k with exactly k-1 submultisets. A307699

0 together with numbers k such that 8·R_k - 7 is a prime, where R_k = 11...1 is the repunit (A002275) of length k. A99421