Properties of the Number 28439

Twenty-Eight Thousand Four Hundred Thirty-Nine

Basics

Value: 28438 → 28439 → 28440

Parity: odd

Prime: Yes

Previous Prime: 28433

Next Prime: 28447

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 28439

Divisors: 1, 28439

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111100010111

Octal: 67427

Duodecimal: 1455B

Hexadecimal: 6f17

Square: 808776721

Square Root: 168.63866697765374

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

Prime(n) and prime(n+4) use the same digits. A69796

Smallest primes of 4 X 4 semimagic squares formed from consecutive primes. A270865

Expansion of 1 / (1 - 3x - x² + 2x³). A100058

Number of prime pairs below 10ⁿ having a difference of 60. A93984

Greater of two consecutive primes, p < q, such that both p·q+p-q and p·q-p+q are prime numbers. A154552

Numbers·such that 0 < |x¹¹ - y³| < x^19/3 for some number y. A173356

Primes p such that q-p = 60, where q is the next prime after p. A126771

Smallest integer that is a sum of 2·k consecutive primes for each k = 1..n. A222592

Golc sequence in base 9. Left to right concatenation of n,int(log₉(n)),int(log₉(int(log₉(n)))),... in base9. A28439