Properties of the Number 71157

Seventy-One Thousand One Hundred Fifty-Seven

Basics

Value: 71156 → 71157 → 71158

Parity: odd

Prime: No

Previous Prime: 71153

Next Prime: 71161

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 23719

Divisors: 1, 3, 23719, 71157

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010111110101

Octal: 212765

Duodecimal: 35219

Hexadecimal: 115f5

Square: 5063318649

Square Root: 266.75269445686956

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

24 'Reverse and Add' steps are needed to reach a palindrome. A65318

Semiprimes of the form p² + pq + q², where p, q are consecutive primes. A243904

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 563", based on the 5-celled von Neumann neighborhood. A272941

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 0), (0, 0, -1), (0, 1, 1), (1, 1, 1)}. A150983

The zero-free, right-to-left factorial walk encoding for each rooted plane tree encoded by A014486. Sequence A071155 shown with factorial expansion (A007623). A71157