Properties of the Number 72742

Seventy-Two Thousand Seven Hundred Forty-Two

Basics

Value: 72741 → 72742 → 72743

Parity: even

Prime: No

Previous Prime: 72739

Next Prime: 72763

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 37 × 983

Divisors: 1, 2, 37, 74, 983, 1966, 36371, 72742

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10001110000100110

Octal: 216046

Duodecimal: 3611A

Hexadecimal: 11c26

Square: 5291398564

Square Root: 269.7072486975461

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) = ∑_k=0..n k^p*q^k for p = 2 and q = -2. A232601

Expansion of ∑_i>=1 μ(i)²*xⁱ/(1 - xⁱ) * ∏_j>=i 1/(1 - μ(j)²*x^j), where μ() is the Moebius function (A008683). A284829

Lesser members of a pair of primes (p, q) such that, for some integer k, (p+q)/2 = 2^k and p > 2^k-1. A72742