Properties of the Number 67228

Sixty-Seven Thousand Two Hundred Twenty-Eight

Basics

Value: 67227 → 67228 → 67229

Parity: even

Prime: No

Previous Prime: 67219

Next Prime: 67231

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 ⁵

Divisors: 1, 2, 4, 7, 14, 28, 49, 98, 196, 343

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000011010011100

Octal: 203234

Duodecimal: 32AA4

Hexadecimal: 1069c

Square: 4519603984

Square Root: 259.2836284843299

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

Triangle read by rows: coefficients T(n,k) of a binomial decomposition of n as Sum(k=0..n)T(n,k)*binomial(n,k). A244142

Numbers whose prime factors are 2 and 7. A33847

Product of the 5th power of a prime and different distinct prime of the 2nd power (p⁵*q²). A179646

T(n,k)=Number of nXk 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors. A208709

Numbers of form 4ⁱ*7^j, with i, j >= 0. A25619

Numbers k for which A344998(k) = A344999(k). A345003

Numbers of multiplicative persistence 4 which are themselves the product of digits of a number. A350183

a(n) = n⁵*(n+1)/2. A168351

4-parking triangle T(r, i, 4) read by rows: T(r, i, k) = (r + 1)^i-1*binomial(k*(r + 1) + r - i - 1, r - i) with k = 4 and 0 <= i <= r. A329060

Integers whose arithmetic derivative is equal to their Dedekind function. A301939