Properties of the Number 16065

Sixteen Thousand Sixty-Five

Basics

Value: 16064 → 16065 → 16066

Parity: odd

Prime: No

Previous Prime: 16063

Next Prime: 16067

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 7 × 17

Divisors: 1, 3, 5, 7, 9, 15, 17, 21, 27, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11111011000001

Octal: 37301

Duodecimal: 9369

Hexadecimal: 3ec1

Square: 258084225

Square Root: 126.74778104566565

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

Odd abundant numbers (odd numbers m whose sum of divisors exceeds 2m). A5231

The non-repetitive Kaprekar binary numbers in decimal. A163205

Odd infinitary abundant numbers. A127666

Odd bi-unitary abundant numbers: odd numbers k such that bsigma(k) > 2·k, where bsigma is the sum of the bi-unitary divisors function (A188999). A293186

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 0 vertically. A208078

Numbers k such that k-4, k-2, k+2 and k+4 are prime. A173037

Row 8 of array in A288580. A92973

Odd integers that do not generate monotonically decreasing infinitary aliquot sequences. A127667

Numbers n such that σ(n) = 5*φ(n). A136547

a(n) = 9·binomial(7·n+9, n)/(7·n+9). A233907