Properties of the Number 6999

Six Thousand Nine Hundred Ninety-Nine

Basics

Value: 6998 → 6999 → 7000

Parity: odd

Prime: No

Previous Prime: 6997

Next Prime: 7001

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 2333

Divisors: 1, 3, 2333, 6999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101010111

Octal: 15527

Duodecimal: 4073

Hexadecimal: 1b57

Square: 48986001

Square Root: 83.66002629691195

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

Smallest number whose sum of digits is n. A51885

a(0) = 0. For n > 0, smallest non-palindromic number k such that the smallest palindrome in the Reverse and Add! trajectory of k is reached after exactly n iterations. A23109

Number of integer partitions of n that have an even number of parts and cannot be partitioned into distinct pairs of not necessarily distinct parts. A338915

Numbers in which 9 outnumbers all other digits together. A292739

Semiprimes with semiprime digits (digits 4, 6, 9 only). A107342

a(1) = 8; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A74344

Numbers with rounded up arithmetic mean of digits = 9. A178369

Lexicographically earliest sequence of distinct positive terms such that a(n) is a substring of a(n)*a(n+1). A332703

Harmonic mean of digits is 8. A62185

Starting numbers for which the RATS sequence has eventual period 14. A114615