Properties of the Number 52665

Fifty-Two Thousand Six Hundred Sixty-Five

Basics

Value: 52664 → 52665 → 52666

Parity: odd

Prime: No

Previous Prime: 52639

Next Prime: 52667

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 3511

Divisors: 1, 3, 5, 15, 3511, 10533, 17555, 52665

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100110110111001

Octal: 146671

Duodecimal: 26589

Hexadecimal: cdb9

Square: 2773602225

Square Root: 229.48856180646564

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

Wieferich numbers (1): n > 1 such that 2^A000010(n) == 1 (mod n²). A77816

Principal diagonal of the convolution array A213771. A213772

Numbers m such that m² divides 2^k - 1 for some k, 0 < k <= m. A246503

Numbers n > 1 such that 2^m == 1 (mod n²), where m = A002326((n-1)/2). A265630

Numbers n > 1 such that 2^λ(n) == 1 (mod n²), where λ(n) is the Carmichael λ function (A002322). A291961

a(0)=0, for n >= 1, a(n) = (2^n-1-1)*n!. A52665