Properties of the Number -857143

Eight Hundred Fifty-Seven Thousand One Hundred Forty-Three

Basics

Value: -857144 → -857143 → -857142

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7 × 122449

Divisors: 1, 7, 122449, 857143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010001010000110111

Octal: -3212067

Duodecimal: -354047

Hexadecimal: -d1437

Square: 734694122449

Square Root: 925.8201769242232

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

Kaprekar numbers: numbers k such that k = q + r and k² = q·10^m + r, for some m >= 1, q >= 0 and 0 <= r < 10^m. Here q and r must both have the same number of digits. A45913

The full list of 6-Kaprekar numbers. A53397

Numbers which divide the concatenation of the two previous primes. A258182

Square roots of terms in A238237. A290449

7-automorphic numbers ending in 3: final digits of 7n² agree with n. A30990

Numbers k such that k² is the concatenation of two numbers 6·m and m. A115546