Properties of the Number 74072

Seventy-Four Thousand Seventy-Two

Basics

Value: 74071 → 74072 → 74073

Parity: even

Prime: No

Previous Prime: 74071

Next Prime: 74077

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 47 × 197

Divisors: 1, 2, 4, 8, 47, 94, 188, 197, 376, 394

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010000101011000

Octal: 220530

Duodecimal: 36A48

Hexadecimal: 12158

Square: 5486661184

Square Root: 272.16171663185844

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

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302808

Number of ways to pair up {1..2n} so sum of each pair is prime. A341

Growth series for group with presentation < S, T : S² = T³ = (S·T)⁷ = 1 >. A298805

Array read by antidiagonals: T(n,k) is the number of n-step king's tours on a k X k board summed over all starting positions. A186861

Expansion of ∏_k>=1 1/(1 - k²*x^k)^k. A285674

Number of 6-step king's tours on an n X n board summed over all starting positions. A186865

Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302805

Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302810

Numerators of iterations of Thue-Morse sequence. A74072