Properties of the Number 42154

Forty-Two Thousand One Hundred Fifty-Four

Basics

Value: 42153 → 42154 → 42155

Parity: even

Prime: No

Previous Prime: 42139

Next Prime: 42157

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 3011

Divisors: 1, 2, 7, 14, 3011, 6022, 21077, 42154

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010010101010

Octal: 122252

Duodecimal: 2048A

Hexadecimal: a4aa

Square: 1776959716

Square Root: 205.314393065854

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(1) = 1, a(n) = smallest multiple of n using nonzero digits beginning with the digit reversal of a(n-1), if n is not == 0 (mod 10), else a(10^r*k) =10^r*{digit Reversal of a(10^r*k-1)}. A89320

Numbers whose base-2 representation has exactly 14 runs. A43581

Numerators of continued fraction convergents to sqrt(602). A42154