Properties of the Number 65472

Sixty-Five Thousand Four Hundred Seventy-Two

Basics

Value: 65471 → 65472 → 65473

Parity: even

Prime: No

Previous Prime: 65449

Next Prime: 65479

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ⁶ × 3 × 11 × 31

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111111111000000

Octal: 177700

Duodecimal: 31A80

Hexadecimal: ffc0

Square: 4286582784

Square Root: 255.87496946751162

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 j such that σ(σ(j)) = k·j for some k. A19278

Let sigma_m (n) be result of applying sum-of-divisors function m times to n; call n (m,k)-perfect if sigma_m (n) = k·n; sequence gives the (2,8)-perfect numbers. A19285

Numbers that have exactly nine prime factors counted with multiplicity (A046312) whose digit reversal is different and also has 9 prime factors (with multiplicity). A109029

Let sigma_m (n) be result of applying sum-of-divisors function m times to n; call n (m,k)-perfect if sigma_m (n) = k·n; sequence gives the (3,k)-perfect numbers. A19292

a(n) = 64*(2ⁿ - 1). A175166

a(n) = floor(Fibonacci(n)/3). A4696

Numbers c(n) whose squares are equal to the sums of a number M(n) of consecutive cubed integers b³ + (b+1)³ + ... + (b+M-1)³ = c², starting at b(n) (A002593) for M(n) being twice a squared integer (A001105). A253724

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 57", based on the 5-celled von Neumann neighborhood. A278661

Expansion of 64·x²/(1 - 1023·x + 1023·x² - x³). A159677

Monotonic ordering of nonnegative differences 4ⁱ-8^j, for 40>= i>=0, j>=0. A192167