Properties of the Number -138738

One Hundred Thirty-Eight Thousand Seven Hundred Thirty-Eight

Basics

Value: -138739 → -138738 → -138737

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 19 × 1217

Divisors: 1, 2, 3, 6, 19, 38, 57, 114, 1217, 2434

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100001110111110010

Octal: -416762

Duodecimal: -68356

Hexadecimal: -21df2

Square: 19248232644

Square Root: 372.47550255016773

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

Expansion of q * (ψ(q⁴) / φ(-q))² in powers of q where φ(), ψ() are Ramanujan θ functions. A107035

Expansion of ∏_m>=1 (1+x^m)¹². A22577

Expansion of 1 / χ(q)¹² in powers of q where χ() is a Ramanujan θ function. A124863

Expansion of x * (ψ(x⁴) / φ(x))² in powers of·where φ(), ψ() are Ramanujan θ functions. A260145