Properties of the Number 71392

Seventy-One Thousand Three Hundred Ninety-Two

Basics

Value: 71391 → 71392 → 71393

Parity: even

Prime: No

Previous Prime: 71389

Next Prime: 71399

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 23 × 97

Divisors: 1, 2, 4, 8, 16, 23, 32, 46, 92, 97

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001011011100000

Octal: 213340

Duodecimal: 35394

Hexadecimal: 116e0

Square: 5096817664

Square Root: 267.19281427463574

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

Principal diagonal of the convolution array A213825. A213826

E.g.f. A(x) satisfies A(x) = 1 + x·A(1 - exp(-x)). A354574

Number of closed meanders with 2n crossings and 5 digons. A300901

a(n) is the number of totally alternating permutations of 1,2,...,n. A332345

Decimal expansion of the largest dihedral angle, in radians, in a sphenomegacorona (Johnson solid J₈₈). A390638

Reverse of smallest prime factor of k = largest prime factor of k+1; a(1)=1. A71392