Properties of the Number 72055

Seventy-Two Thousand Fifty-Five

Basics

Value: 72054 → 72055 → 72056

Parity: odd

Prime: No

Previous Prime: 72053

Next Prime: 72073

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 14411

Divisors: 1, 5, 14411, 72055

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001100101110111

Octal: 214567

Duodecimal: 35847

Hexadecimal: 11977

Square: 5191923025

Square Root: 268.43062418435045

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(1) = 15; for n > 1, a(n)² is the smallest square that begins with a(n-1) in base 6. A336251

Triangle read by rows: T(n,k) is the coefficient A_k in the transformation ∑_k=0..n x^k = ∑_k=0..n A_k*(x-3*(-1)^k)^k. A249269

a(n) = 2·prime(n)+1. A72055

E.g.f. A(x) satisfies: [xⁿ] A(x)^-n = (2·n - 3) * [x^n-1] A(x)^-n for n>=1. A301386