Properties of the Number 42485

Forty-Two Thousand Four Hundred Eighty-Five

Basics

Value: 42484 → 42485 → 42486

Parity: odd

Prime: No

Previous Prime: 42473

Next Prime: 42487

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 29 × 293

Divisors: 1, 5, 29, 145, 293, 1465, 8497, 42485

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111110101

Octal: 122765

Duodecimal: 20705

Hexadecimal: a5f5

Square: 1804975225

Square Root: 206.11889772653063

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

a(n) is the smallest m for which the decimal representation of 2^m contains n consecutive identical digits. A45875

Least power of 2 to have at least n consecutive digits 'n' in its decimal expansion. A171252

Exponent of least power of 2 having exactly n consecutive 9's in its decimal representation. A131543

a(n) is the least value of k such that the decimal expansion of n^k contains nine consecutive identical digits. A217164

Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 2 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 2 4 6 or 7. A252551

Numbers that are both the sum of three consecutive primes and the sum of three consecutive squares. A388071

T(n,k) = Number of (n+2) X (k+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 1 2 4 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 1 2 4 6 or 7. A252558

Denominators of continued fraction convergents to sqrt(770). A42485

Smallest power of 2 with n repeated digits. A175924