Properties of the Number 20325

Twenty Thousand Three Hundred Twenty-Five

Basics

Value: 20324 → 20325 → 20326

Parity: odd

Prime: No

Previous Prime: 20323

Next Prime: 20327

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 271

Divisors: 1, 3, 5, 15, 25, 75, 271, 813, 1355, 4065

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111101100101

Octal: 47545

Duodecimal: B919

Hexadecimal: 4f65

Square: 413105625

Square Root: 142.56577429383253

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

Sequence of pairs k,g such that k·2ⁿ-1, k·2ⁿ-1+g, k·2ⁿ-1+2·g, and k·2ⁿ+3·g are four consecutive primes in arithmetic progression for the smallest odd k. A230699

G.f. A(x) satisfies A(x) = 1 / (1 - x - x² * A(x³)). A367666

Sum of the prime(n) primes following prime(n). A99274

a(n) is the number of solutions to the problem described in A381619 with smallest price equal to n. A381620

Strong pseudoprimes to base 99. A20325