Properties of the Number 72893

Seventy-Two Thousand Eight Hundred Ninety-Three

Basics

Value: 72892 → 72893 → 72894

Parity: odd

Prime: Yes

Previous Prime: 72889

Next Prime: 72901

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 72893

Divisors: 1, 72893

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110010111101

Octal: 216275

Duodecimal: 36225

Hexadecimal: 11cbd

Square: 5313389449

Square Root: 269.98703672583986

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

Primes of the form k² - 7. A28883

Primes of the form pq - 6, where p and q are consecutive primes. A99775

Primes in A028883, p=m²-7, such that following prime is m²+1. A157183

Number of n X 3 binary arrays with all 1s connected, a path of 1s from upper left corner to lower right corner, and no 1 having more than two 1s adjacent. A163686

Primes of the form A037074(k) - 6, where A037074(k) is a twin prime product. A162834

Integers k such that 2^k-1 == 1 (mod k) and 2^m-1 == 1 (mod m), where m = k*(A000265(k-1) - 1) + 1 and A000265 gives the odd part of its argument. A187849

Numbers that are partial sums of the reverses of the sequence of primes and are reverses of primes. A381245

Beginning with 13, least prime such that concatenation of first n terms and its digit reversal both are primes. A382898

Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 6 or 7 king-move adjacent elements, with upper left element zero. A305039

Let c(k) be defined as follows: c(1)=1, c(2)=x, c(k+2) = c(k+1)/2 + c(k)/2 if c(k+1) and c(k) have the same parity; c(k+2) = c(k+1) - c(k) otherwise. Sequence gives values of·such that c(k)=1 for any k large enough. A72893