Properties of the Number 74928

Seventy-Four Thousand Nine Hundred Twenty-Eight

Basics

Value: 74927 → 74928 → 74929

Parity: even

Prime: No

Previous Prime: 74923

Next Prime: 74929

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 7 × 223

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10010010010110000

Octal: 222260

Duodecimal: 37440

Hexadecimal: 124b0

Square: 5614205184

Square Root: 273.72979377481

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

Truncated square pyramid numbers: a(n) = ∑_{k = n..2·n-1} k². A50410

Expansion of e.g.f. log(-1/(-2+exp(x)))*x. A52862

n-th Fibonacci number minus n-th prime number. A100700

G.f. A(x) satisfies: A(x) = A(x²) / (1 - 2·x). A309728

Number of -n..n arrays x(0..3) of 4 elements with zero sum and no two neighbors equal. A199706

a(n)>0 such that p(n)*p(n+1)+a(n) is a minimal prime. A74928

Number of n X 3 0..5 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totaling five exactly once. A269883

G.f. A(x) satisfies: [xⁿ] (1 + n·x - A(x))^2·n+1 = 0, for n > 0. A351918