Properties of the Number 72624

Seventy-Two Thousand Six Hundred Twenty-Four

Basics

Value: 72623 → 72624 → 72625

Parity: even

Prime: No

Previous Prime: 72623

Next Prime: 72643

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 17 × 89

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 17, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101110110000

Octal: 215660

Duodecimal: 36040

Hexadecimal: 11bb0

Square: 5274245376

Square Root: 269.4884042032236

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

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 7 as largest digit. A257123

Number of irreducible alternating Euler sums of depth 6 and weight 6+2n. A11796

Number of subsets of 6 integers between 1 and n such that their sum is 0 modulo n. A381289

Expansion of e.g.f. ∏_k>=1 1/(1 - x^prime(k)/prime(k)). A319112

a(n) = Fibonacci(n-1) * Fibonacci(n+1) * Fibonacci(2·n-1) * Fibonacci(2·n+1). A375803

Triangle read by rows: T(n,k) is the number of unordered pairs of nodes at distance k in the n-Dorogovtsev-Goltsev-Mendes graph. A384844

a(n) = (7·n+1)*(7·n+6). A1526

Expansion of (1-x)^-1/(1+x-x²-2·x³). A77901

Total number of nodes summed over all self-avoiding planar walks starting at (0,0), ending at (n,n), remaining in the first quadrant and using steps (0,1), (1,0), (1,1), (-1,1), and (1,-1) with the restriction that (0,1) is never used below the diagonal and (1,0) is never used above the diagonal. A285673

a(n) = prime(n²) mod n². A72624