Properties of the Number 30708

Thirty Thousand Seven Hundred Eight

Basics

Value: 30707 → 30708 → 30709

Parity: even

Prime: No

Previous Prime: 30707

Next Prime: 30713

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 853

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 853

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011111110100

Octal: 73764

Duodecimal: 15930

Hexadecimal: 77f4

Square: 942981264

Square Root: 175.2369823981228

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: row n (n>=0) has g.f. ∑_i=1..n n!*xⁱ*(1+x)^n-i/(n+1-i). A126671

Starting numbers for which the RATS sequence has eventual period 3. A114613

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A162659. A380178

a(n) = n! * ∑_k=1..n ( ∑_d∣k (-1)^{k/d + 1} * d ) /k. A356390

Third diagonal of A126671. A126673

The second list after the following procedure: starting with a list [1] 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. A30708

Seventh right hand column of triangle A165674. A165679

Number of nX4 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero. A231059