Properties of the Number 99679

Ninety-Nine Thousand Six Hundred Seventy-Nine

Basics

Value: 99678 → 99679 → 99680

Parity: odd

Prime: Yes

Previous Prime: 99667

Next Prime: 99689

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 99679

Divisors: 1, 99679

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000010101011111

Octal: 302537

Duodecimal: 49827

Hexadecimal: 1855f

Square: 9935903041

Square Root: 315.71981249202594

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

Primes with integer arithmetic mean of digits = 8 in base 10. A285228

Primes with digit sum = 40. A106773

The smallest of four consecutive primes with prime gaps {a,b,c} = {10,18,2}. A215719

Least m such that repunit R_m is a multiple of A045572(n) (i.e., odd numbers not divisible by 5). A99679

a(1) = 2; a(n+1) is the least prime p not already used such that p-a(n) is not equal to a(k+1)-a(k) for any k < n. A101595