Properties of the Number 30746

Thirty Thousand Seven Hundred Forty-Six

Basics

Value: 30745 → 30746 → 30747

Parity: even

Prime: No

Previous Prime: 30727

Next Prime: 30757

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 15373

Divisors: 1, 2, 15373, 30746

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100000011010

Octal: 74032

Duodecimal: 15962

Hexadecimal: 781a

Square: 945316516

Square Root: 175.34537347760278

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

Partial sums of A255745. A255766

Number of divisor chains of length n in which the first term is a divisor of n(n+1)/2 ("cyclic" divisor chains). A94098

Number of n-length words w over binary alphabet such that for every prefix z of w we have #(z,a_i) = 0 or #(z,a_i) >= #(z,a_j) for all j>i and #(z,a_i) counts the occurrences of the i-th letter in z. A213290

Number of length 4 0..n arrays with each partial sum starting from the beginning no more than one standard deviation from its mean. A244792

a(n) = σ(prime(n)ⁿ) - φ(prime(n)ⁿ). A271440

Numbers k such that A030737(k) = 4. A30746