Properties of the Number 42151

Forty-Two Thousand One Hundred Fifty-One

Basics

Value: 42150 → 42151 → 42152

Parity: odd

Prime: No

Previous Prime: 42139

Next Prime: 42157

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 61 × 691

Divisors: 1, 61, 691, 42151

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010010100111

Octal: 122247

Duodecimal: 20487

Hexadecimal: a4a7

Square: 1776706801

Square Root: 205.3070870671541

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

Type I Minkowski-Siegel mass constants (numerators). A241121

Let P(m,k) = 1-(m-1)*...*(m-k+1)/m^k-1 be the probability that at least two out of k people share a birthday out of m possible days. Sequence gives values of m for which P(m,k(m)) sets a new minimum, where k(m) is the smallest k such that P(m,k) > 1/2. A392222

Denominators of continued fraction convergents to sqrt(600). A42151