Properties of the Number 28403

Twenty-Eight Thousand Four Hundred Three

Basics

Value: 28402 → 28403 → 28404

Parity: odd

Prime: Yes

Previous Prime: 28393

Next Prime: 28409

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 28403

Divisors: 1, 28403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111011110011

Octal: 67363

Duodecimal: 1452B

Hexadecimal: 6ef3

Square: 806730409

Square Root: 168.53189609091805

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 inversion sequences of length n avoiding the consecutive patterns 010, 021, and 120. A328432

Primes that remain prime through 3 iterations of function f(x) = 8x + 9. A23295

Primes p such that the multiplicative order of 2 modulo p is (p-1)/11. A152311

Lesser of two consecutive primes, p < q, such that both p·q+p-q and p·q-p+q are prime numbers. A154553

Primes from merging of 5 successive digits in decimal expansion of (π²). A104928

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n having k UU's starting at level 0 (i.e., doublerises at level 1; n >= 0, 0 <= k <= floor(n/2)). A129168

Lesser of two consecutive primes, p < q, such that p·q + p - q and p·q - p + q are also consecutive primes. A225726

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 605", based on the 5-celled von Neumann neighborhood. A273177

Discriminants of imaginary quadratic fields with class number 29 (negated). A351667

Number of types of Boolean functions of n variables under a certain group. A28403