ℕ atory
Play Now

Properties of the Number 33664

Thirty-Three Thousand Six Hundred Sixty-Four

Basics

Value: 33663 → 33664 → 33665

Parity: even

Prime: No

Previous Prime: 33647

Next Prime: 33679

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 7 × 263

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 263, 526

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000001110000000

Octal: 101600

Duodecimal: 17594

Hexadecimal: 8380

Square: 1133264896

Square Root: 183.47751905887543

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 k whose abundance σ(k) - 2·k = -8. Numbers k whose deficiency is 8. A125247
Even and odd solutions to abs(σ(x)-2x) <= log(x). Numbers n whose abundance-radius does not exceed log(n). A88011
Deficient-perfect numbers: Deficient numbers n such that n/(2n-σ(n)) is an integer. A271816
Numbers k such that σ(k) == 0 (mod k-4). A274554
Numerators of convergents to the square root of the golden ratio. A225204
Near-multiperfects with primes, powers of 2 and 6·prime excluded, abs(σ(n) mod n) <= log(n). A117349
Rectangular array: (row n) = b**c, where b(h) = h3, c(h) = (n-1+h)3, n>=1, h>=1, and ** = convolution. A213558
a(n) = 2n-1*(2n+7). A257272
Near-multiperfects with primes and powers of 2 excluded, abs(σ(m) mod m) <= log(m). A117348
Numbers n for which A294898(n) is not zero and A294898(n) divides A000120(n); numbers for which A326130(n) = abs(A294898(n)). A326132