Properties of the Number -149749

One Hundred Forty-Nine Thousand Seven Hundred Forty-Nine

Basics

Value: -149750 → -149749 → -149748

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 149749

Divisors: 1, 149749

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100100011110101

Octal: -444365

Duodecimal: -727B1

Hexadecimal: -248f5

Square: 22424763001

Square Root: 386.9741593440058

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

Numerator of [xⁿ] in the Taylor series arccosh(exp(x) - tan(x)) = x - x²/6 - x³/72 - 43·x⁴/432 - 221·x⁵/10368 - 89513·x⁶/2177280 - ... A13307

a(1)=3, b(n) = ∏_k=1..n a(k), a(n+1) is the smallest prime factor of b(n)-1. A5265

G.f.: ∏_{i>=1, j>=1, k>=1, l>=1} (1 + x^i·j*k·l). A280486