Properties of the Number 42984

Forty-Two Thousand Nine Hundred Eighty-Four

Basics

Value: 42983 → 42984 → 42985

Parity: even

Prime: No

Previous Prime: 42979

Next Prime: 42989

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ³ × 199

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011111101000

Octal: 123750

Duodecimal: 20A60

Hexadecimal: a7e8

Square: 1847624256

Square Root: 207.32583051805196

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

Numbers that have exactly seven prime factors counted with multiplicity (A046308) whose digit reversal is different and also has 7 prime factors (with multiplicity). A109027

A182642(n) - A107857(n-1) for n>=1. A182643

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 25 ones. A31793

Wiener index of the n-Sierpinski tetrahedron graph. A292026

Numbers of the form ab such that uphi(ab) = a·b where ab is the concatenation of a and b. A337523

a(n) = a(n-1)*a(n-2) with a(0)=1, a(1)=4. A10099

Number of n-dimensional partitions of 6. A42984