Properties of the Number 72244

Seventy-Two Thousand Two Hundred Forty-Four

Basics

Value: 72243 → 72244 → 72245

Parity: even

Prime: No

Previous Prime: 72229

Next Prime: 72251

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 18061

Divisors: 1, 2, 4, 18061, 36122, 72244

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001101000110100

Octal: 215064

Duodecimal: 35984

Hexadecimal: 11a34

Square: 5219195536

Square Root: 268.7824399026097

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

Expansion of ∏_{i>=1, j>=0} (1 + x^{i·5^j}) / (1 - x^{i·5^j}). A393557

Triangle read by rows: T(n,k) = number of peakless Motzkin paths of length n and having k weak ascents (1 <= k <= ceiling(n/3)). A114711

Start with the sequence S(1) = [0], and for n >= 1 define S(n+1) to equal the concatenation of S(n) with the RUNS transform of S(n) when read in reverse order. This sequence is the limit of that process as n goes to infinity. A306346

Smallest factorial containing exactly n 4's. A72244