Properties of the Number 79939

Seventy-Nine Thousand Nine Hundred Thirty-Nine

Basics

Value: 79938 → 79939 → 79940

Parity: odd

Prime: Yes

Previous Prime: 79907

Next Prime: 79943

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 79939

Divisors: 1, 79939

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100001000011

Octal: 234103

Duodecimal: 3A317

Hexadecimal: 13843

Square: 6390243721

Square Root: 282.7348581268323

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 base 10 that remain primes in six bases b, 2<=b<=10, expansions interpreted as decimal numbers. A52028

Primes expressible as x³ + 2·y³ (x, y > 0) in two ways. A219722

Integers expressible as x³ + 2·y³ (x, y > 0) in two ways. A219725

Numbers k such that 7·2^k - 3 is prime. A58593

Self-convolution of sequence A001402. A160647

a(n) is the numerator of ∑_i=1..n i!/(i²). A121565

Numbers n such that 30n-13, 30n-11, 30n-1, 30n+1, 30n+11, 30n+13 are all prime. A175683

Pell numbers (A000129) minus Lucas numbers beginning at 2 (A000032). A228748

Lesser of cousin happy primes. A387896

Greedy frac multiples of e: a(1)=1, ∑_n>0 frac(a(n)*e)=1. A79939