Properties of the Number 74992

Seventy-Four Thousand Nine Hundred Ninety-Two

Basics

Value: 74991 → 74992 → 74993

Parity: even

Prime: No

Previous Prime: 74959

Next Prime: 75011

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 43 × 109

Divisors: 1, 2, 4, 8, 16, 43, 86, 109, 172, 218

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10010010011110000

Octal: 222360

Duodecimal: 37494

Hexadecimal: 124f0

Square: 5623800064

Square Root: 273.8466724282039

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

Number of n-move paths on a 3 X 3 chessboard of a queen starting or ending in the central square. A180031

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=3, r=3, I={-2,0,1,2}. A79981

a(n) = ceiling(n*φ¹⁷), where φ is the golden ratio, A001622. A4972

Number of permutations of length 2n satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..2n, with k=3, r=3, I={-2,0,1,2}. There is no one such permutation of length 2n+1. A79980

A primitive semiperfect number k is in this sequence if and only if there exists exactly one subset S of the proper divisors of k with Sum(S) = k and 1 not in S. A392913

a(n) = (10^2·n + 10ⁿ + 1)/3. A74992

Numbers n whose abundance is 56. A101260

a(n) = floor( log( prime(n) )² ). A86142