Properties of the Number 799

Seven Hundred Ninety-Nine

Basics

Value: 798 → 799 → 800

Parity: odd

Prime: No

Previous Prime: 797

Next Prime: 809

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 17 × 47

Divisors: 1, 17, 47, 799

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011111

Octal: 1437

Duodecimal: 567

Hexadecimal: 31f

Square: 638401

Square Root: 28.26658805020514

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) = ceiling((∑_k=1..n-1 a(k)) / 2) for n >= 2 starting with a(1) = 1. A73941

a(n) = 2·n² - 1. A56220

Smallest number whose sum of digits is n. A51885

a(n) = n + floor(n²/2). A74148

a(n) = 4·n² - 7·n + 4. A54567

Numbers that are the sum of 11 positive 5th powers. A3356

One of many square spiral sequences: a(n) = n² + n - floor((n-1)/2). A317186

Numbers that are the sum of 8 positive 6th powers. A3364

a(n) = least k such that the remainder when 19^k is divided by k is n. A128159

a(n) = ceiling((1 + sum of preceding terms) / 2) starting with a(0) = 1. A5428