Properties of the Number 11845

Eleven Thousand Eight Hundred Forty-Five

Basics

Value: 11844 → 11845 → 11846

Parity: odd

Prime: No

Previous Prime: 11839

Next Prime: 11863

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 23 × 103

Divisors: 1, 5, 23, 103, 115, 515, 2369, 11845

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111001000101

Octal: 27105

Duodecimal: 6A31

Hexadecimal: 2e45

Square: 140304025

Square Root: 108.83473710171766

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

Number of combinations which can be taken from the integer partitions of n. Total number of cases in the (n,m)-fragmentation process. A122768

a(n) = 15n² + 3n + 1. A165806

a(n) = 9·n² - 13·n + 5. A214675

Numbers that are the sum of five third powers in exactly ten ways. A345188

Odd numbers of the form k·reverse(k) (where reverse(k) is the binary reversal of k, A030101(k)). A331587

Numbers (excluding primes and powers of primes) such that the square mean of their prime factors is a prime (where the square mean of c and d is sqrt((c²+d²)/2)). A134604

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)*b(n), where a(0) = 3, a(1) = 4, b(0) = 1, b(1) = 2, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296271

a(n) = n·a(n-1) + n^{1+n mod 2}, a(0) = 0. A344418

Numbers k such that the continued fraction for sqrt(k) has period 82. A20421

a(n) = prime(x) - π(x) where·is the least·such that (prime(x+1) - π(x+1)) - (prime(x) - π(x)) = n. A111183