Properties of the Number 99862

Ninety-Nine Thousand Eight Hundred Sixty-Two

Basics

Value: 99861 → 99862 → 99863

Parity: even

Prime: No

Previous Prime: 99859

Next Prime: 99871

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 ² × 1019

Divisors: 1, 2, 7, 14, 49, 98, 1019, 2038, 7133, 14266

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000011000010110

Octal: 303026

Duodecimal: 4995A

Hexadecimal: 18616

Square: 9972419044

Square Root: 316.00949352827996

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

G.f. satisfies: A(x) = ∑_n>=0 ( (1+x)ⁿ - A(x) )ⁿ / (2 - (1+x)ⁿ*A(x))ⁿ⁺¹. A317350

Iccanobirt numbers (14 of 15): a(n) = R(R(a(n-1)) + R(a(n-2)) + a(n-3)), where R is the digit reversal function A004086. A102124

a(n) = ∑_k=0..n floor(binomial(n,k)/(k+1)). A95718

G.f. A(x) satisfies A(x) = 1 + x / (1 - x·A(x²)). A218032

a(n) = (2·k)-th composite number; a bisection of A002808. A99862