Properties of the Number 72556

Seventy-Two Thousand Five Hundred Fifty-Six

Basics

Value: 72555 → 72556 → 72557

Parity: even

Prime: No

Previous Prime: 72551

Next Prime: 72559

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 11 × 17 × 97

Divisors: 1, 2, 4, 11, 17, 22, 34, 44, 68, 97

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101101101100

Octal: 215554

Duodecimal: 35BA4

Hexadecimal: 11b6c

Square: 5264373136

Square Root: 269.36220967314625

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

Number of Motzkin paths of length n with no level steps at odd level. A90344

Symmetric difference of the primitive non-deficient numbers and the primitive Zumkeller numbers. A378538

a(n) = (n-1)*(n-2)*(n²+9·n+12)/24. A323847

Numbers that are primitive Zumkeller, but not primitive non-deficient. A378657

Expansion of (∏_j>=1 (1-(-x)^j) - 1)¹⁸ in powers of x. A47643

Expansion of (1+x-2·x²) / (1-x-6·x²+2·x³). A384730

Numbers k such that s(k) = s(k+1), where s(k) is A059975. A327250

Internal digits of k³ include digits of k as substring, k does not end in 0. A383640

Numbers n such that n and the n-th Fibonacci number have the same number of distinct prime factors. A72556