Properties of the Number 9725

Nine Thousand Seven Hundred Twenty-Five

Basics

Value: 9724 → 9725 → 9726

Parity: odd

Prime: No

Previous Prime: 9721

Next Prime: 9733

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 389

Divisors: 1, 5, 25, 389, 1945, 9725

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010111111101

Octal: 22775

Duodecimal: 5765

Hexadecimal: 25fd

Square: 94575625

Square Root: 98.6154146165801

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 k such that 2^k - 9 is prime. A59610

Concatenation of n-th prime and n in decimal notation. A75110

Number of compositions of n avoiding the pattern 1111. A232464

Numbers k that divide the sum of digits of 13^k. A175525

Output of the linear congruential pseudo-random number generator rand() used in Microsoft's Visual C++. A96558

a(n) = n³ - 2·n² + 2·n + 1. A188947

Start with 1057 and repeatedly reverse the digits and add 2 to get the next term. A120215

a(n) = 169·n² - 140·n + 29. A156639

Short leg of the unique primitive Pythagorean triple whose inradius is A000108(n) and such that its long leg and its hypotenuse are consecutive natural numbers. A383251

Positive numbers y such that y² is of the form x²+(x+79)² with integer x. A159758