Properties of the Number 42739

Forty-Two Thousand Seven Hundred Thirty-Nine

Basics

Value: 42738 → 42739 → 42740

Parity: odd

Prime: No

Previous Prime: 42737

Next Prime: 42743

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 79 × 541

Divisors: 1, 79, 541, 42739

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010011011110011

Octal: 123363

Duodecimal: 20897

Hexadecimal: a6f3

Square: 1826622121

Square Root: 206.73412877413347

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 k such that 237·2^k+1 is prime. A32495

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 1), (0, 1, 1), (1, 0, -1), (1, 1, 0)}. A150604

Denominators of continued fraction convergents to sqrt(899). A42739