Properties of the Number 28044

Twenty-Eight Thousand Forty-Four

Basics

Value: 28043 → 28044 → 28045

Parity: even

Prime: No

Previous Prime: 28031

Next Prime: 28051

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 19 × 41

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 19, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110110001100

Octal: 66614

Duodecimal: 14290

Hexadecimal: 6d8c

Square: 786465936

Square Root: 167.46342884343434

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 partitions of n into parts of sorts {1, 2, ... } which are introduced in ascending order. A258466

Expansion of (η(q²)η(q⁶)/(η(q)η(q³)))⁶ in powers of q. A123653

Expansion of q / (χ(q) * χ(q³))⁶ in powers of q where χ() is a Ramanujan θ function. A107653

a(n) = ceiling(li(2·2ⁿ) - li(2ⁿ)) - (π(2·2ⁿ) - π(2ⁿ)) with li(x) the logarithmic integral and π(x) the prime counting function. A223853

Number of partitions of n into distinct parts with boundary size 10. A227567

Number n such that a2 - n³ is a triangular number (A000217), where a2 is the least square above n³. A233400

Number of binary strings of length n with no substrings equal to 0010 0110 or 1011. A164497

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 310", based on the 5-celled von Neumann neighborhood. A271198

Consider 1-D random walk with jumps up to the third neighbor, i.e., set of possible jumps is {-3,-2,-1,+1,+2,+3}. Sequence gives number of paths of length n ending at origin. A117813

Expansion of 1/((1-3x)(1-4x)(1-8x)(1-10x)). A28044