Properties of the Number 72899

Seventy-Two Thousand Eight Hundred Ninety-Nine

Basics

Value: 72898 → 72899 → 72900

Parity: odd

Prime: No

Previous Prime: 72893

Next Prime: 72901

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 269 × 271

Divisors: 1, 269, 271, 72899

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110011000011

Octal: 216303

Duodecimal: 3622B

Hexadecimal: 11cc3

Square: 5314264201

Square Root: 269.99814814179746

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

Numbers that are the product of a pair of twin primes. A37074

a(n) = prime(2·n-1)*prime(2·n). A89581

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 5 6 or 8. A252334

Numbers k that form a primitive Pythagorean triple with k' and sqrt(k² + k'²), where k' is the arithmetic derivative of k. A210503

Semiprimes whose prime factors are of equal binary length and which differ from each other in one bit position only. A261073

Product of twin primes of form (4·k+1,4·k+3), k>0. A71697

Records in A166133. A256403

Semiprimes which are sub-perfect powers. A189045

Consider numbers n such that A166133(n) sets a new record and also satisfies A166133(n)=A166133(n-1)²-1; sequence gives values of A166133(n). A256423

Positions of records in A329040. A329051