Properties of the Number 30636

Thirty Thousand Six Hundred Thirty-Six

Basics

Value: 30635 → 30636 → 30637

Parity: even

Prime: No

Previous Prime: 30631

Next Prime: 30637

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 23 × 37

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 23, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011110101100

Octal: 73654

Duodecimal: 15890

Hexadecimal: 77ac

Square: 938564496

Square Root: 175.03142574977787

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

a(n) = n*(n + 1)*(5·n - 4)/2. A237616

Least b > p_n² such that [p₁²,p₂²,...,p_n²] in base b is prime, where p_j denotes the j-th prime. A224197

a(n) = n*(n + 7)*(n + 14)*(n + 21)*(n + 28)/120. A264449

a(n) = 1458·n + 18. A157505

McKay-Thompson series of class 24I for Monster. A58579

McKay-Thompson series of class 24I for the Monster group with a(0) = 2. A138688

Number of n-step self-avoiding walks on a 2D square lattice whose end-to-end distance is an integer. A359709

Heptagonal numbers for which the sum of the digits is also a heptagonal number. A117650

Expansion of (1+13·x+32·x²+13·x³+x⁴)/(1-x)⁵. A160765

Number of length 2+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth. A248539