Properties of the Number 12443

Twelve Thousand Four Hundred Forty-Three

Basics

Value: 12442 → 12443 → 12444

Parity: odd

Prime: No

Previous Prime: 12437

Next Prime: 12451

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 23 × 541

Divisors: 1, 23, 541, 12443

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000010011011

Octal: 30233

Duodecimal: 724B

Hexadecimal: 309b

Square: 154828249

Square Root: 111.54819586169917

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 polyforms with n cells on the faces of a deltoidal icositetrahedron up to rotation. A383805

a(n) is the least index such that the least primitive root of the a(n)-th prime is n, or zero if no such prime exists. A66529

Numbers that are the product of two distinct primes a and b, such that a³+b³ is the average of a twin prime pair. A176876

Semiprimes of the form C(n) + T(n) where C(n) and T(n) are the n-th cube and triangular numbers. A240884

Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic nonresidues mod p that are > p/2. A282042

a(n) = n*(2·n² + n + 1)/2. A85786

0 followed by the sum of (1),(2), (3,4),(5,6), (7,8,9),(10,11,12) from the natural numbers. A235355

a(n) = 8·n² - 9·n + 3. A360416

Expansion of ∑_k>=1 k³ * x^k/(1 - x^k)³. A366135

Least inverse of A048182. A48183