Properties of the Number 67604

Sixty-Seven Thousand Six Hundred Four

Basics

Value: 67603 → 67604 → 67605

Parity: even

Prime: No

Previous Prime: 67601

Next Prime: 67607

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 16901

Divisors: 1, 2, 4, 16901, 33802, 67604

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100000010100

Octal: 204024

Duodecimal: 33158

Hexadecimal: 10814

Square: 4570300816

Square Root: 260.0076921939041

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

Define the sequence UD(a(0),a(1)) by a(n) is the least integer such that a(n)/a(n-1) > a(n-1)/a(n-2)+1 for even n >= 2 and such that a(n)/a(n-1) > a(n-1)/a(n-2) for odd n>=2. This is UD(2,16). A22018

The q-exponential of x, e_q(x,q), evaluated at q = -x. A152398

Row 2 in rectangular array A292929. A294065

Number of cycles induced by iterating the Gray-coding of an n-bit number: a(n+1) = a(n) + 2ⁿ/C_n, where C_n = least power of 2 >= n (C_n is the length of the cycle), with a(0) = 1. A7886

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 150", based on the 5-celled von Neumann neighborhood. A270322

Smallest prime p of two consecutive primes, p < q, such that gcd(p+1, q+1) = 2n. A67604