Properties of the Number 1799

One Thousand Seven Hundred Ninety-Nine

Basics

Value: 1798 → 1799 → 1800

Parity: odd

Prime: No

Previous Prime: 1789

Next Prime: 1801

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 257

Divisors: 1, 7, 257, 1799

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11100000111

Octal: 3407

Duodecimal: 105B

Hexadecimal: 707

Square: 3236401

Square Root: 42.41462012089699

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) = 2·n² - 1. A56220

Number of integer partitions of n having a unique mode equal to the mean, i.e., partitions whose mean appears more times than each of the other parts. A363723

Number of distinct values of multinomial coefficients ( n / (p1, p2, p3, ...) ) where (p1, p2, p3, ...) runs over all partitions of n. A70289

Sum of third powers of three consecutive primes. A133530

Numbers where 9 outnumbers any other digit. A292449

Composite and every divisor (except 1) contains the digit 7. A62676

Start with 61; to get the next term, divide by the smallest prime factor < 17 if it exists, else multiply by 17 and add 1. A57534

Number of strict integer partitions of n with no part divisible by all the others. A343377

Sequence Sh of the eight sequences defining the blocks of terms in A377091. A379794

Composite numbers > 9 which yield a prime whenever a 0 is inserted between any two digits. A216169