Properties of the Number 99699

Ninety-Nine Thousand Six Hundred Ninety-Nine

Basics

Value: 99698 → 99699 → 99700

Parity: odd

Prime: No

Previous Prime: 99689

Next Prime: 99707

Digit Sum: 42

Digital Root: 6

Palindrome: Yes

Factorization: 3 × 167 × 199

Divisors: 1, 3, 167, 199, 501, 597, 33233, 99699

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000010101110011

Octal: 302563

Duodecimal: 49843

Hexadecimal: 18573

Square: 9939890601

Square Root: 315.7514845570801

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) = 10²ⁿ⁺¹ - 1 - 3·10ⁿ. A332196

Numbers having four 9's in base 10. A43528

First available increasing palindromes (A002113) found in the decimal expansion of the number e-2 (A001113). A226487

Largest palindrome using minimum number of digits with a digit sum = n. A70244

Consider the family of directed multigraphs enriched by the species of involutions. Sequence gives number of those multigraphs with n labeled arcs. A99699

Number of upper Wythoff primes (A095281) in range ]2ⁿ,2ⁿ⁺¹]. A95291

1/7 the number of nX3 0..6 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors. A185406

In base 10 lunar arithmetic, a(n) is the smallest number than has exactly n different square roots (or -1 if no such number exists). A202174

Maximum number of backward steps k needed to find a representation of an n-digit decimal number·as a sum of three base-10 palindromes of the form k-th largest base-10 palindrome <= x plus a number representable as sum of two base-10 palindromes from A260255. A262528