Properties of the Number 30704

Thirty Thousand Seven Hundred Four

Basics

Value: 30703 → 30704 → 30705

Parity: even

Prime: No

Previous Prime: 30703

Next Prime: 30707

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 19 × 101

Divisors: 1, 2, 4, 8, 16, 19, 38, 76, 101, 152

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011111110000

Octal: 73760

Duodecimal: 15928

Hexadecimal: 77f0

Square: 942735616

Square Root: 175.22556891047608

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 which are representable as a sum of nineteen but no fewer consecutive nonnegative integers. A270303

Number of -3..3 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^t+u+v) having two, four or six distinct values for every i,j,k<=n. A211729

Numbers k such that 315·2^k+1 is prime. A322949

Numbers n such that the n-th prime equals the n-th Ramanujan prime of the totient of n. A267012

Prime power Giuga numbers: composite numbers n > 1 such that -1/n + sum 1/p^k = 1, where the sum is over the prime powers p^k dividing n. A286497

Numbers k such that the decimal expansion of 8^k contains no zeros (probably finite). A30704

Number of tilings of a 5 X n rectangle using straight (3 X 1) trominoes and 2 X 2 tiles. A219969

G.f. satisfies: A(x) = Series_Reversion[ x/sqrt(1 + 4·A(x)) ] with A(0)=0. A140092