Properties of the Number 74944

Seventy-Four Thousand Nine Hundred Forty-Four

Basics

Value: 74943 → 74944 → 74945

Parity: even

Prime: No

Previous Prime: 74941

Next Prime: 74959

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ⁶ × 1171

Divisors: 1, 2, 4, 8, 16, 32, 64, 1171, 2342, 4684

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010010011000000

Octal: 222300

Duodecimal: 37454

Hexadecimal: 124c0

Square: 5616603136

Square Root: 273.75901811629876

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 k such that (8·10^k + 49)/3 is prime. A270890

Irregular triangular array, read by rows: row n shows the coefficients of the polynomial p(n,x) defined in Comments. A329429

Coefficients of polynomials (in descending powers of x) P(n,x) := 1 + P(n-1,x)², where P(1,x) = x + 1. A158985

Sum of the principal diagonals of a 2n X 2n square spiral. A137931

Sum of previous term and preceding relatively prime terms. A119746

Expansion of e.g.f. sin(x)/cosh(sin(x)) (odd powers only). A9558

Number of 5-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions. A187175

Expansion of exp(x)/cos(sinh(x)). A9290

Number of k with 1 <= k <= n such that gcd(n,k)=τ(k), where τ is A000005, number of divisors function. A74944