Properties of the Number 61430

Sixty-One Thousand Four Hundred Thirty

Basics

Value: 61429 → 61430 → 61431

Parity: even

Prime: No

Previous Prime: 61417

Next Prime: 61441

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 6143

Divisors: 1, 2, 5, 10, 6143, 12286, 30715, 61430

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111111110110

Octal: 167766

Duodecimal: 2B672

Hexadecimal: eff6

Square: 3773644900

Square Root: 247.85076154815422

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) = 3·a(n-1) - 2·a(n-2) with a(0)=20 and a(1)=50. A182462

a(n) = floor(exp(8/19)*n!). A30870

G.f. for Ehrhart quasi-polynomials for hyperplane arrangements of type E₈. A210632

Geometric mean of the digits is an integer: k-digit numbers such that the product of the digits is a number of the form m^k. A61430

Minimum number of unit fractions that must be added to 1/n to reach 1. A330808