Properties of the Number 1853

One Thousand Eight Hundred Fifty-Three

Basics

Value: 1852 → 1853 → 1854

Parity: odd

Prime: No

Previous Prime: 1847

Next Prime: 1861

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 17 × 109

Divisors: 1, 17, 109, 1853

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11100111101

Octal: 3475

Duodecimal: 10A5

Hexadecimal: 73d

Square: 3433609

Square Root: 43.04648650006177

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) = 4*(n+1)*n + 5. A78370

Partial sums of A299291. A299292

a(n) = n² + 4. A87475

a(n) = least k such that the remainder when 12^k is divided by k is n. A127820

a(n) = n*(3·n + 7)/2. A140090

Numbers k such that both k and k + 1 are Niven numbers. A330927

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 1. A51966

Numbers k such that p(k), p(k)+6, p(k)+12, p(k)+18 are consecutive primes, where p(k) denotes k-th prime. A90832

Numbers k such that φ(k) is a perfect cube. A39771

a(n) = (2·n - 1)*(3·n² - 3·n + 2)/2. A63491