Properties of the Number 40985

Forty Thousand Nine Hundred Eighty-Five

Basics

Value: 40984 → 40985 → 40986

Parity: odd

Prime: No

Previous Prime: 40973

Next Prime: 40993

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 7 × 1171

Divisors: 1, 5, 7, 35, 1171, 5855, 8197, 40985

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010000000011001

Octal: 120031

Duodecimal: 1B875

Hexadecimal: a019

Square: 1679770225

Square Root: 202.4475240648796

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 n!8 + 2 is prime. A204663

Least k such that gcd(prime(k)+1, prime(k+1)+1) = 2n. A67603

Odd numbers n for which the number of iterations to reach the largest equals number of iterations to reach 1 from the largest in Collatz (3x+1) trajectory of n. A224533

Number of standard Young tableaux with n cells such that the lengths of the first and the last row differ by 3. A244297

Primes p such that x⁵ = 20 has no solution mod p. A40985