Properties of the Number 71420

Seventy-One Thousand Four Hundred Twenty

Basics

Value: 71419 → 71420 → 71421

Parity: even

Prime: No

Previous Prime: 71419

Next Prime: 71429

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 3571

Divisors: 1, 2, 4, 5, 10, 20, 3571, 7142, 14284, 17855

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011011111100

Octal: 213374

Duodecimal: 353B8

Hexadecimal: 116fc

Square: 5100816400

Square Root: 267.24520575681055

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(n) = floor(n*φ¹⁷), where φ is the golden ratio, A001622. A4932

Number of compositions of n into parts with distinct multiplicities and with exactly ten parts. A321780

a(n) = round(n*φ¹⁷), where φ is the golden ratio, A001622. A4952

Duplicate of A031139. A71420