Properties of the Number -245428

Two Hundred Forty-Five Thousand Four Hundred Twenty-Eight

Basics

Value: -245429 → -245428 → -245427

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 61357

Divisors: 1, 2, 4, 61357, 122714, 245428

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -111011111010110100

Octal: -737264

Duodecimal: -BA044

Hexadecimal: -3beb4

Square: 60234903184

Square Root: 495.4069034642129

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) = denominator of b(n): b(n) = the maximum possible value for a continued fraction whose terms are a permutation of the terms of the simple continued fraction for H(n) = sum{k=1 to n} 1/k, the n-th harmonic number. A129083

a(1)=1, a(n)=a(n-1)+n¹ if n odd, a(n)=a(n-1)+ n⁴ if n is even. A140146