Properties of the Number 61879

Sixty-One Thousand Eight Hundred Seventy-Nine

Basics

Value: 61878 → 61879 → 61880

Parity: odd

Prime: Yes

Previous Prime: 61871

Next Prime: 61909

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 61879

Divisors: 1, 61879

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111000110110111

Octal: 170667

Duodecimal: 2B987

Hexadecimal: f1b7

Square: 3829010641

Square Root: 248.75489944923697

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

Numerators of the limit of coefficients of q in { [xⁿ] W(x,q) } when read backward from [q^n*(n-1/2)] to [q^n*(n-1/2 - (n-1))], where W satisfies: W(x,q) = exp( q·x*W(q·x,q) ). A126341

Least prime p such that the continued fraction expansion of its square root contains the first n natural numbers, but does not contain n+1. A185808

n is equal to the number of 1's in all numbers <= n written in base 7. A14887

Half the number of n X n binary matrices differing in at most one position between adjacent rows and at most one position between adjacent columns. A140336

First (leftmost) digit - second digit + third digit - fourth digit .... = 10. A61879