Properties of the Number 30390

Thirty Thousand Three Hundred Ninety

Basics

Value: 30389 → 30390 → 30391

Parity: even

Prime: No

Previous Prime: 30389

Next Prime: 30391

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 1013

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 1013, 2026

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011010110110

Octal: 73266

Duodecimal: 15706

Hexadecimal: 76b6

Square: 923552100

Square Root: 174.32727841620198

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

Third differences of fifth powers (A000584). A101096

Sum of the smallest parts of all compositions of n into distinct parts. A336902

a(n) is the number of integer partitions of n for which the largest part is equal to the index of the seaweed algebra formed by the integer partition paired with its weight. A318203

a(n) = 60·n² + 180·n + 150. A69477

Numbers k such that 2·k-1, 4·k-1, 6·k-1 and 8·k-1 are primes. A124487

Squarefree numbers n such that n² + 1 and n² - 1 are semiprime. A268697

Expansion of 1/(1 - 9·x/(1 + x))^1/3. A361881

a(n) = ∑_k=0..n (-1)^k * binomial(n+k+2,n-k) * Fibonacci(k+1). A390853

Number of 0..n arrays x(0..5) of 6 elements with each no smaller than the sum of its two previous neighbors modulo (n+1). A207103

Number of length 2+2 0..n arrays with some pair in every consecutive three terms totalling exactly n. A245871