Properties of the Number 30747

Thirty Thousand Seven Hundred Forty-Seven

Basics

Value: 30746 → 30747 → 30748

Parity: odd

Prime: No

Previous Prime: 30727

Next Prime: 30757

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 37 × 277

Divisors: 1, 3, 37, 111, 277, 831, 10249, 30747

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111100000011011

Octal: 74033

Duodecimal: 15963

Hexadecimal: 781b

Square: 945378009

Square Root: 175.34822496963008

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

Sum of all the parts in the partitions of n into 5 parts. A308822

Number of n X 1 0..2 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative. A223188

Number of length n+4+1 0..4 arrays with every value 0..4 appearing at least once in every consecutive 4+2 elements, and new values 0..4 introduced in order. A242235

The first list after the following procedure: starting with a list [4] and an empty list, repeatedly add the distinct values already in both lists in ascending order to the second list and add the corresponding frequencies of those values to the first list. A30747

T(n,k)=Number of nXk 0..2 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative. A223195

Solutions of the equation (n+2)' = (n+1)' + n', where n' is the arithmetic derivative of n. A241214