Properties of the Number 4139

Four Thousand One Hundred Thirty-Nine

Basics

Value: 4138 → 4139 → 4140

Parity: odd

Prime: Yes

Previous Prime: 4133

Next Prime: 4153

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 4139

Divisors: 1, 4139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000000101011

Octal: 10053

Duodecimal: 248B

Hexadecimal: 102b

Square: 17131321

Square Root: 64.33506042586733

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

Iccanobif numbers: reverse digits of two previous terms and add. A1129

a(n) = 2·n² + 2·n - 1. A142463

Primes with first digit 4. A45710

Safe primes (A005385) that are not Sophie Germain primes. A59452

Numbers k such that (11^k + 5^k)/16 is prime. A128340

Number G(n,k) of set partitions of {1,...,n} into sets of size at most k; triangle G(n,k), n>=0, 0<=k<=n, read by rows. A229223

Lower prime of a pair of consecutive primes having a difference of 14. A31932

Prime numbers containing the string 13. A166573

T(n,k) = number of n X k 0..7 arrays with values 0..7 introduced in row major order and no element equal to any horizontal or vertical neighbor. A198914

a(n) = B(n) - 1, where B(n) = Bell numbers, A000110. A58692