Properties of the Number 99788

Ninety-Nine Thousand Seven Hundred Eighty-Eight

Basics

Value: 99787 → 99788 → 99789

Parity: even

Prime: No

Previous Prime: 99787

Next Prime: 99793

Digit Sum: 41

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 13 × 19 × 101

Divisors: 1, 2, 4, 13, 19, 26, 38, 52, 76, 101

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000010111001100

Octal: 302714

Duodecimal: 498B8

Hexadecimal: 185cc

Square: 9957644944

Square Root: 315.8923867395351

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

Numbers k such that k, k+1 and k+2 have exactly 4 distinct prime factors. A364309

Expansion of ∏_k>0 (1 + A004001(k)*x^k). A147869

Position of initial digit of first string of n consecutive equal digits in the decimal expansion of the Golden ratio (φ), starting after the decimal point. A277259

p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S - 2 S² + S³. A291412

a(n) = ∏_i=1..2n prime(i). A99788