Properties of the Number 28898

Twenty-Eight Thousand Eight Hundred Ninety-Eight

Basics

Value: 28897 → 28898 → 28899

Parity: even

Prime: No

Previous Prime: 28879

Next Prime: 28901

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 × 14449

Divisors: 1, 2, 14449, 28898

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000011100010

Octal: 70342

Duodecimal: 14882

Hexadecimal: 70e2

Square: 835094404

Square Root: 169.9941175452845

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) = prime(n+1)² + prime(n)². A69484

Indices of primes followed by a gap (distance to next larger prime) of 44. A320720

Semiprimes that are sums of squares of two consecutive primes. A216432

Length of hypotenuse squared in right triangle formed by a prime spiral plotted in Cartesian coordinates. A48851

Numbers n such that prime(n) + reversal(prime(n)) is a square. A227371

Number of set partitions of [n] such that the difference between each element and its block index is a multiple of five. A274838

a(n) is the smallest k such that the first n digits of Fibonacci(k) are the reverse of its last n digits. A372729

a(n) = prime(n)_prime(n). A122622

Digit sum of Fibonacci primes. A139537

a(n) = 2·n³ - 4·n² + 6·n - 2 (n>=1). A304159